<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
    <!-- Field: Doc-Info; Name: Generator; Value: GoXBRL; Version: 4.26b -->
    <!-- Field: Doc-Info; Name: VendorURI; Value: http://www.novaworks.co -->
    <!-- Field: Doc-Info; Name: Source; Value: Pbts%2D20181231.xfr; Date: 2019%2D04%2D29T03:11:59Z -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
    <link:roleRef roleURI="http://powerbridge.com/role/DocumentAndEntityInformation" xlink:href="pbts-20181231.xsd#DocumentAndEntityInformation" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/BalanceSheets" xlink:href="pbts-20181231.xsd#BalanceSheets" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/BalanceSheetsParenthetical" xlink:href="pbts-20181231.xsd#BalanceSheetsParenthetical" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/StatementsOfIncomeAndComprehensiveIncome" xlink:href="pbts-20181231.xsd#StatementsOfIncomeAndComprehensiveIncome" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/StatementsOfChangesInEquity" xlink:href="pbts-20181231.xsd#StatementsOfChangesInEquity" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/StatementsOfCashFlows" xlink:href="pbts-20181231.xsd#StatementsOfCashFlows" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/NatureOfBusinessAndOrganization" xlink:href="pbts-20181231.xsd#NatureOfBusinessAndOrganization" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="pbts-20181231.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/AccountsReceivableNet" xlink:href="pbts-20181231.xsd#AccountsReceivableNet" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/PrepaymentsDepositsAndOtherAssetsNet" xlink:href="pbts-20181231.xsd#PrepaymentsDepositsAndOtherAssetsNet" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/PropertyAndEquipmentNet" xlink:href="pbts-20181231.xsd#PropertyAndEquipmentNet" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/RelatedPartyBalancesAndTransactions" xlink:href="pbts-20181231.xsd#RelatedPartyBalancesAndTransactions" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/NotesPayable" xlink:href="pbts-20181231.xsd#NotesPayable" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/BankLoan" xlink:href="pbts-20181231.xsd#BankLoan" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/Taxes" xlink:href="pbts-20181231.xsd#Taxes" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/Equity" xlink:href="pbts-20181231.xsd#Equity" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/CommitmentsAndContingencies" xlink:href="pbts-20181231.xsd#CommitmentsAndContingencies" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/SegmentReporting" xlink:href="pbts-20181231.xsd#SegmentReporting" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/SubsequentEvents" xlink:href="pbts-20181231.xsd#SubsequentEvents" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="pbts-20181231.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:href="pbts-20181231.xsd#SummaryOfSignificantAccountingPoliciesTables" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/AccountsReceivableNetTables" xlink:href="pbts-20181231.xsd#AccountsReceivableNetTables" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/PrepaymentsDepositsAndOtherAssetsNetTables" xlink:href="pbts-20181231.xsd#PrepaymentsDepositsAndOtherAssetsNetTables" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/PropertyAndEquipmentNetTables" xlink:href="pbts-20181231.xsd#PropertyAndEquipmentNetTables" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/NotesPayableTables" xlink:href="pbts-20181231.xsd#NotesPayableTables" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/BankLoanTables" xlink:href="pbts-20181231.xsd#BankLoanTables" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/TaxesTables" xlink:href="pbts-20181231.xsd#TaxesTables" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/CommitmentsAndContingenciesTables" xlink:href="pbts-20181231.xsd#CommitmentsAndContingenciesTables" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/SegmentReportingTables" xlink:href="pbts-20181231.xsd#SegmentReportingTables" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/NatureOfBusinessAndOrganizationDetails" xlink:href="pbts-20181231.xsd#NatureOfBusinessAndOrganizationDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/SummaryOfSignificantAccountingPoliciesDetails" xlink:href="pbts-20181231.xsd#SummaryOfSignificantAccountingPoliciesDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/SummaryOfSignificantAccountingPoliciesDetailsTextual" xlink:href="pbts-20181231.xsd#SummaryOfSignificantAccountingPoliciesDetailsTextual" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/AccountsReceivableNetDetails" xlink:href="pbts-20181231.xsd#AccountsReceivableNetDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/AccountsReceivableNetDetails1" xlink:href="pbts-20181231.xsd#AccountsReceivableNetDetails1" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/AccountsReceivableNetDetailsTextual" xlink:href="pbts-20181231.xsd#AccountsReceivableNetDetailsTextual" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/PrepaymentsDepositsAndOtherAssetsNetDetails" xlink:href="pbts-20181231.xsd#PrepaymentsDepositsAndOtherAssetsNetDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/PrepaymentsDepositsAndOtherAssetsNetDetails1" xlink:href="pbts-20181231.xsd#PrepaymentsDepositsAndOtherAssetsNetDetails1" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/PrepaymentsDepositsAndOtherAssetsNetDetailsTextual" xlink:href="pbts-20181231.xsd#PrepaymentsDepositsAndOtherAssetsNetDetailsTextual" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/PropertyAndEquipmentNetDetails" xlink:href="pbts-20181231.xsd#PropertyAndEquipmentNetDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/PropertyAndEquipmentNetDetails1" xlink:href="pbts-20181231.xsd#PropertyAndEquipmentNetDetails1" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/PropertyAndEquipmentNetDetailsTextual" xlink:href="pbts-20181231.xsd#PropertyAndEquipmentNetDetailsTextual" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/RelatedPartyBalancesAndTransactionsDetailsTextual" xlink:href="pbts-20181231.xsd#RelatedPartyBalancesAndTransactionsDetailsTextual" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/NotesPayableDetails" xlink:href="pbts-20181231.xsd#NotesPayableDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/NotesPayableDetailsTextual" xlink:href="pbts-20181231.xsd#NotesPayableDetailsTextual" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/BankLoanDetails" xlink:href="pbts-20181231.xsd#BankLoanDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/BankLoanDetailsTextual" xlink:href="pbts-20181231.xsd#BankLoanDetailsTextual" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/TaxesDetails" xlink:href="pbts-20181231.xsd#TaxesDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/TaxesDetails1" xlink:href="pbts-20181231.xsd#TaxesDetails1" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/TaxesDetails2" xlink:href="pbts-20181231.xsd#TaxesDetails2" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/TaxesDetails3" xlink:href="pbts-20181231.xsd#TaxesDetails3" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/TaxesDetailsTextual" xlink:href="pbts-20181231.xsd#TaxesDetailsTextual" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/EquityDetails" xlink:href="pbts-20181231.xsd#EquityDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/CommitmentsAndContingenciesDetails" xlink:href="pbts-20181231.xsd#CommitmentsAndContingenciesDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/CommitmentsAndContingenciesDetailsTextual" xlink:href="pbts-20181231.xsd#CommitmentsAndContingenciesDetailsTextual" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/SegmentReportingDetails" xlink:href="pbts-20181231.xsd#SegmentReportingDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/SegmentReportingDetailsTextual" xlink:href="pbts-20181231.xsd#SegmentReportingDetailsTextual" xlink:type="simple" />
    <link:roleRef roleURI="http://powerbridge.com/role/SubsequentEventsDetails" xlink:href="pbts-20181231.xsd#SubsequentEventsDetails" xlink:type="simple" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/DocumentAndEntityInformation" xlink:title="00000001 - Document - Document and Entity Information" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/BalanceSheets" xlink:title="00000002 - Statement - Consolidated Balance Sheets">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaapAssetsCurrent" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Cash" xlink:label="loc_us-gaapCash" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssetsCurrent" xlink:to="loc_us-gaapCash" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedCashCurrent" xlink:label="loc_us-gaapRestrictedCashCurrent" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssetsCurrent" xlink:to="loc_us-gaapRestrictedCashCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NotesAndLoansReceivableNetCurrent" xlink:label="loc_us-gaapNotesAndLoansReceivableNetCurrent" />
      <link:calculationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssetsCurrent" xlink:to="loc_us-gaapNotesAndLoansReceivableNetCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaapAccountsReceivableNetCurrent" />
      <link:calculationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssetsCurrent" xlink:to="loc_us-gaapAccountsReceivableNetCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DueFromRelatedPartiesCurrent" xlink:label="loc_us-gaapDueFromRelatedPartiesCurrent" />
      <link:calculationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssetsCurrent" xlink:to="loc_us-gaapDueFromRelatedPartiesCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaapOtherAssetsCurrent" />
      <link:calculationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssetsCurrent" xlink:to="loc_us-gaapOtherAssetsCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaapAssets" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssets" xlink:to="loc_us-gaapAssetsCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaapPropertyPlantAndEquipmentNet" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssets" xlink:to="loc_us-gaapPropertyPlantAndEquipmentNet" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedCashNoncurrent" xlink:label="loc_us-gaapRestrictedCashNoncurrent" />
      <link:calculationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssets" xlink:to="loc_us-gaapRestrictedCashNoncurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaapOtherAssetsNoncurrent" />
      <link:calculationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssets" xlink:to="loc_us-gaapOtherAssetsNoncurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent" xlink:label="loc_us-gaapDeferredTaxAssetsLiabilitiesNetNoncurrent" />
      <link:calculationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssets" xlink:to="loc_us-gaapDeferredTaxAssetsLiabilitiesNetNoncurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaapLiabilitiesCurrent" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LoansPayableToBankCurrent" xlink:label="loc_us-gaapLoansPayableToBankCurrent" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapLoansPayableToBankCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NotesPayableCurrent" xlink:label="loc_us-gaapNotesPayableCurrent" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapNotesPayableCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaapAccountsPayableCurrent" />
      <link:calculationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapAccountsPayableCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CustomerDepositsCurrent" xlink:label="loc_us-gaapCustomerDepositsCurrent" />
      <link:calculationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapCustomerDepositsCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="loc_us-gaapDeferredRevenueCurrent" />
      <link:calculationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapDeferredRevenueCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaapEmployeeRelatedLiabilitiesCurrent" />
      <link:calculationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapEmployeeRelatedLiabilitiesCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DueToRelatedPartiesCurrent" xlink:label="loc_us-gaapDueToRelatedPartiesCurrent" />
      <link:calculationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapDueToRelatedPartiesCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TaxesPayableCurrent" xlink:label="loc_us-gaapTaxesPayableCurrent" />
      <link:calculationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapTaxesPayableCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaapStockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaapCommonStockValue" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapStockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="loc_us-gaapCommonStockValue" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityNoteSubscriptionsReceivable" xlink:label="loc_us-gaapStockholdersEquityNoteSubscriptionsReceivable" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapStockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="loc_us-gaapStockholdersEquityNoteSubscriptionsReceivable" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaapAdditionalPaidInCapitalCommonStock" />
      <link:calculationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapStockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="loc_us-gaapAdditionalPaidInCapitalCommonStock" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaapRetainedEarningsAccumulatedDeficit" />
      <link:calculationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapStockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="loc_us-gaapRetainedEarningsAccumulatedDeficit" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaapAccumulatedOtherComprehensiveIncomeLossNetOfTax" />
      <link:calculationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapStockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="loc_us-gaapAccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaapStockholdersEquity" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapStockholdersEquity" xlink:to="loc_us-gaapStockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaapMinorityInterest" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapStockholdersEquity" xlink:to="loc_us-gaapMinorityInterest" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaapLiabilitiesAndStockholdersEquity" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesAndStockholdersEquity" xlink:to="loc_us-gaapLiabilitiesCurrent" xlink:type="arc" weight="1" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesAndStockholdersEquity" xlink:to="loc_us-gaapStockholdersEquity" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaapCommitmentsAndContingencies" />
      <link:calculationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesAndStockholdersEquity" xlink:to="loc_us-gaapCommitmentsAndContingencies" xlink:type="arc" weight="1" />
    </link:calculationLink>
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/BalanceSheetsParenthetical" xlink:title="00000003 - Statement - Consolidated Balance Sheets (Parenthetical)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/StatementsOfIncomeAndComprehensiveIncome" xlink:title="00000004 - Statement - Consolidated Statements of Income and Comprehensive Income">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaapGrossProfit" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaapRevenues" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapGrossProfit" xlink:to="loc_us-gaapRevenues" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="loc_us-gaapCostOfRevenue" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapGrossProfit" xlink:to="loc_us-gaapCostOfRevenue" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaapOperatingExpenses" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SellingAndMarketingExpense" xlink:label="loc_us-gaapSellingAndMarketingExpense" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapOperatingExpenses" xlink:to="loc_us-gaapSellingAndMarketingExpense" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaapGeneralAndAdministrativeExpense" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapOperatingExpenses" xlink:to="loc_us-gaapGeneralAndAdministrativeExpense" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaapResearchAndDevelopmentExpense" />
      <link:calculationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapOperatingExpenses" xlink:to="loc_us-gaapResearchAndDevelopmentExpense" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaapOperatingIncomeLoss" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapOperatingIncomeLoss" xlink:to="loc_us-gaapGrossProfit" xlink:type="arc" weight="1" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapOperatingIncomeLoss" xlink:to="loc_us-gaapOperatingExpenses" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaapNonoperatingIncomeExpense" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NonoperatingGainsLosses" xlink:label="loc_us-gaapNonoperatingGainsLosses" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNonoperatingIncomeExpense" xlink:to="loc_us-gaapNonoperatingGainsLosses" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherNonoperatingIncome" xlink:label="loc_us-gaapOtherNonoperatingIncome" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNonoperatingIncomeExpense" xlink:to="loc_us-gaapOtherNonoperatingIncome" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherNonoperatingExpense" xlink:label="loc_us-gaapOtherNonoperatingExpense" />
      <link:calculationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNonoperatingIncomeExpense" xlink:to="loc_us-gaapOtherNonoperatingExpense" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaapIncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapIncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="loc_us-gaapOperatingIncomeLoss" xlink:type="arc" weight="1" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapIncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="loc_us-gaapNonoperatingIncomeExpense" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaapProfitLoss" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapProfitLoss" xlink:to="loc_us-gaapIncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaapIncomeTaxExpenseBenefit" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapProfitLoss" xlink:to="loc_us-gaapIncomeTaxExpenseBenefit" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaapNetIncomeLoss" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetIncomeLoss" xlink:to="loc_us-gaapProfitLoss" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaapNetIncomeLossAttributableToNoncontrollingInterest" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetIncomeLoss" xlink:to="loc_us-gaapNetIncomeLossAttributableToNoncontrollingInterest" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaapComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="loc_us-gaapProfitLoss" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaapOtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="loc_us-gaapOtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaapComprehensiveIncomeNetOfTax" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapComprehensiveIncomeNetOfTax" xlink:to="loc_us-gaapComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaapComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapComprehensiveIncomeNetOfTax" xlink:to="loc_us-gaapComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:type="arc" weight="-1" />
    </link:calculationLink>
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/StatementsOfChangesInEquity" xlink:title="00000005 - Statement - Consolidated Statements of Changes in Equity" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/StatementsOfCashFlows" xlink:title="00000006 - Statement - Consolidated Statements of Cash Flows">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaapProfitLoss" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapProfitLoss" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaapDepreciationDepletionAndAmortization" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapDepreciationDepletionAndAmortization" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaapProvisionForDoubtfulAccounts" />
      <link:calculationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapProvisionForDoubtfulAccounts" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="loc_us-gaapGainLossOnDispositionOfAssets1" />
      <link:calculationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapGainLossOnDispositionOfAssets1" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaapDeferredIncomeTaxExpenseBenefit" />
      <link:calculationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapDeferredIncomeTaxExpenseBenefit" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInNotesReceivableCurrent" xlink:label="loc_us-gaapIncreaseDecreaseInNotesReceivableCurrent" />
      <link:calculationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInNotesReceivableCurrent" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaapIncreaseDecreaseInAccountsReceivable" />
      <link:calculationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInAccountsReceivable" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInDueFromRelatedPartiesCurrent" xlink:label="loc_us-gaapIncreaseDecreaseInDueFromRelatedPartiesCurrent" />
      <link:calculationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInDueFromRelatedPartiesCurrent" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets" xlink:label="loc_us-gaapIncreaseDecreaseInOtherCurrentAssets" />
      <link:calculationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInOtherCurrentAssets" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaapIncreaseDecreaseInAccountsPayable" />
      <link:calculationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInAccountsPayable" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInNotesPayableCurrent" xlink:label="loc_us-gaapIncreaseDecreaseInNotesPayableCurrent" />
      <link:calculationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInNotesPayableCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredCompensation" xlink:label="loc_us-gaapIncreaseDecreaseInDeferredCompensation" />
      <link:calculationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInDeferredCompensation" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedTaxesPayable" xlink:label="loc_us-gaapIncreaseDecreaseInAccruedTaxesPayable" />
      <link:calculationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInAccruedTaxesPayable" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="loc_us-gaapIncreaseDecreaseInDeferredRevenue" />
      <link:calculationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInDeferredRevenue" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInCustomerDeposits" xlink:label="loc_us-gaapIncreaseDecreaseInCustomerDeposits" />
      <link:calculationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInCustomerDeposits" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaapNetCashProvidedByUsedInInvestingActivities" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireLoansReceivable" xlink:label="loc_us-gaapPaymentsToAcquireLoansReceivable" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInInvestingActivities" xlink:to="loc_us-gaapPaymentsToAcquireLoansReceivable" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaapPaymentsToAcquirePropertyPlantAndEquipment" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInInvestingActivities" xlink:to="loc_us-gaapPaymentsToAcquirePropertyPlantAndEquipment" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaapProceedsFromSaleOfPropertyPlantAndEquipment" />
      <link:calculationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInInvestingActivities" xlink:to="loc_us-gaapProceedsFromSaleOfPropertyPlantAndEquipment" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaapNetCashProvidedByUsedInFinancingActivities" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromBankDebt" xlink:label="loc_us-gaapProceedsFromBankDebt" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInFinancingActivities" xlink:to="loc_us-gaapProceedsFromBankDebt" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfBankDebt" xlink:label="loc_us-gaapRepaymentsOfBankDebt" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInFinancingActivities" xlink:to="loc_us-gaapRepaymentsOfBankDebt" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfRelatedPartyDebt" xlink:label="loc_us-gaapRepaymentsOfRelatedPartyDebt" />
      <link:calculationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInFinancingActivities" xlink:to="loc_us-gaapRepaymentsOfRelatedPartyDebt" xlink:type="arc" weight="-1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="loc_us-gaapNetCashProvidedByUsedInInvestingActivities" xlink:type="arc" weight="1" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="loc_us-gaapNetCashProvidedByUsedInFinancingActivities" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaapEffectOfExchangeRateOnCashAndCashEquivalents" />
      <link:calculationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="loc_us-gaapEffectOfExchangeRateOnCashAndCashEquivalents" xlink:type="arc" weight="1" />
      <link:calculationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="pbts-20181231.xsd#pbts_ReconciliationOfCashAndRestrictedCashDuringPeriod" xlink:label="loc_pbtsReconciliationOfCashAndRestrictedCashDuringPeriod" />
      <link:loc xlink:type="locator" xlink:href="pbts-20181231.xsd#pbts_ReconciliationOfCashDuringPeriod" xlink:label="loc_pbtsReconciliationOfCashDuringPeriod" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_pbtsReconciliationOfCashAndRestrictedCashDuringPeriod" xlink:to="loc_pbtsReconciliationOfCashDuringPeriod" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="pbts-20181231.xsd#pbts_ReconciliationOfRestrictedCashDuringPeriod" xlink:label="loc_pbtsReconciliationOfRestrictedCashDuringPeriod" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_pbtsReconciliationOfCashAndRestrictedCashDuringPeriod" xlink:to="loc_pbtsReconciliationOfRestrictedCashDuringPeriod" xlink:type="arc" weight="1" />
    </link:calculationLink>
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/NatureOfBusinessAndOrganization" xlink:title="00000007 - Disclosure - Nature of Business and Organization" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/SummaryOfSignificantAccountingPolicies" xlink:title="00000008 - Disclosure - Summary of Significant Accounting Policies" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/AccountsReceivableNet" xlink:title="00000009 - Disclosure - Accounts Receivable, Net" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/PrepaymentsDepositsAndOtherAssetsNet" xlink:title="00000010 - Disclosure - Prepayments, Deposits and Other Assets, Net" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/PropertyAndEquipmentNet" xlink:title="00000011 - Disclosure - Property and Equipment, Net" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/RelatedPartyBalancesAndTransactions" xlink:title="00000012 - Disclosure - Related Party Balances and Transactions" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/NotesPayable" xlink:title="00000013 - Disclosure - Notes Payable" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/BankLoan" xlink:title="00000014 - Disclosure - Bank Loan" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/Taxes" xlink:title="00000015 - Disclosure - Taxes" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/Equity" xlink:title="00000016 - Disclosure - Equity" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/CommitmentsAndContingencies" xlink:title="00000017 - Disclosure - Commitments and Contingencies" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/SegmentReporting" xlink:title="00000018 - Disclosure - Segment Reporting" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/SubsequentEvents" xlink:title="00000019 - Disclosure - Subsequent Events" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:title="00000020 - Disclosure - Summary of Significant Accounting Policies (Policies)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:title="00000021 - Disclosure - Summary of Significant Accounting Policies (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/AccountsReceivableNetTables" xlink:title="00000022 - Disclosure - Accounts Receivable, Net (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/PrepaymentsDepositsAndOtherAssetsNetTables" xlink:title="00000023 - Disclosure - Prepayments, Deposits and Other Assets, Net (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/PropertyAndEquipmentNetTables" xlink:title="00000024 - Disclosure - Property and Equipment, Net (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/NotesPayableTables" xlink:title="00000025 - Disclosure - Notes Payable (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/BankLoanTables" xlink:title="00000026 - Disclosure - Bank Loan (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/TaxesTables" xlink:title="00000027 - Disclosure - Taxes (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/CommitmentsAndContingenciesTables" xlink:title="00000028 - Disclosure - Commitments and Contingencies (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/SegmentReportingTables" xlink:title="00000029 - Disclosure - Segment Reporting (Tables)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/NatureOfBusinessAndOrganizationDetails" xlink:title="00000030 - Disclosure - Nature of Business and Organization (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/SummaryOfSignificantAccountingPoliciesDetails" xlink:title="00000031 - Disclosure - Summary of Significant Accounting Policies (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/SummaryOfSignificantAccountingPoliciesDetailsTextual" xlink:title="00000032 - Disclosure - Summary of Significant Accounting Policies (Details Textual)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/AccountsReceivableNetDetails" xlink:title="00000033 - Disclosure - Accounts Receivable, Net (Details)">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaapAccountsReceivableNetCurrent" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent" xlink:label="loc_us-gaapAccountsReceivableGrossCurrent" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAccountsReceivableNetCurrent" xlink:to="loc_us-gaapAccountsReceivableGrossCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaapAllowanceForDoubtfulAccountsReceivableCurrent" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAccountsReceivableNetCurrent" xlink:to="loc_us-gaapAllowanceForDoubtfulAccountsReceivableCurrent" xlink:type="arc" weight="-1" />
    </link:calculationLink>
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/AccountsReceivableNetDetails1" xlink:title="00000034 - Disclosure - Accounts Receivable, Net (Details 1)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/AccountsReceivableNetDetailsTextual" xlink:title="00000035 - Disclosure - Accounts Receivable, Net (Details Textual)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/PrepaymentsDepositsAndOtherAssetsNetDetails" xlink:title="00000036 - Disclosure - Prepayments, Deposits and Other Assets, Net (Details)">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PrepaidExpenseCurrentAndNoncurrent" xlink:label="loc_us-gaapPrepaidExpenseCurrentAndNoncurrent" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Supplies" xlink:label="loc_us-gaapSupplies" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapPrepaidExpenseCurrentAndNoncurrent" xlink:to="loc_us-gaapSupplies" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="pbts-20181231.xsd#pbts_PrepaidExpenseSecurityDeposits" xlink:label="loc_pbtsPrepaidExpenseSecurityDeposits" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapPrepaidExpenseCurrentAndNoncurrent" xlink:to="loc_pbtsPrepaidExpenseSecurityDeposits" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="pbts-20181231.xsd#pbts_PrepaidExpenseAdvancesToEmployees" xlink:label="loc_pbtsPrepaidExpenseAdvancesToEmployees" />
      <link:calculationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapPrepaidExpenseCurrentAndNoncurrent" xlink:to="loc_pbtsPrepaidExpenseAdvancesToEmployees" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="pbts-20181231.xsd#pbts_PrepaidExpense" xlink:label="loc_pbtsPrepaidExpense" />
      <link:calculationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapPrepaidExpenseCurrentAndNoncurrent" xlink:to="loc_pbtsPrepaidExpense" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="pbts-20181231.xsd#pbts_PrepaidExpenseLoanToOthers" xlink:label="loc_pbtsPrepaidExpenseLoanToOthers" />
      <link:calculationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapPrepaidExpenseCurrentAndNoncurrent" xlink:to="loc_pbtsPrepaidExpenseLoanToOthers" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredOfferingCosts" xlink:label="loc_us-gaapDeferredOfferingCosts" />
      <link:calculationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapPrepaidExpenseCurrentAndNoncurrent" xlink:to="loc_us-gaapDeferredOfferingCosts" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherPrepaidExpenseCurrent" xlink:label="loc_us-gaapOtherPrepaidExpenseCurrent" />
      <link:calculationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapPrepaidExpenseCurrentAndNoncurrent" xlink:to="loc_us-gaapOtherPrepaidExpenseCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaapPrepaidExpenseAndOtherAssetsCurrent" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapPrepaidExpenseAndOtherAssetsCurrent" xlink:to="loc_us-gaapPrepaidExpenseCurrentAndNoncurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsNoncurrent" xlink:label="loc_us-gaapPrepaidExpenseAndOtherAssetsNoncurrent" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapPrepaidExpenseAndOtherAssetsCurrent" xlink:to="loc_us-gaapPrepaidExpenseAndOtherAssetsNoncurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="pbts-20181231.xsd#pbts_PrepaidExpenseAllowanceForDoubtfulAccounts" xlink:label="loc_pbtsPrepaidExpenseAllowanceForDoubtfulAccounts" />
      <link:calculationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapPrepaidExpenseAndOtherAssetsCurrent" xlink:to="loc_pbtsPrepaidExpenseAllowanceForDoubtfulAccounts" xlink:type="arc" weight="1" />
    </link:calculationLink>
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/PrepaymentsDepositsAndOtherAssetsNetDetails1" xlink:title="00000037 - Disclosure - Prepayments, Deposits and Other Assets, Net (Details 1)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/PrepaymentsDepositsAndOtherAssetsNetDetailsTextual" xlink:title="00000038 - Disclosure - Prepayments, Deposits and Other Assets, Net (Details Textual)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/PropertyAndEquipmentNetDetails" xlink:title="00000039 - Disclosure - Property and Equipment, Net (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/PropertyAndEquipmentNetDetails1" xlink:title="00000040 - Disclosure - Property and Equipment, Net (Details 1)">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaapFiniteLivedIntangibleAssetsNet" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaapFiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapFiniteLivedIntangibleAssetsNet" xlink:to="loc_us-gaapFiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaapFiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapFiniteLivedIntangibleAssetsNet" xlink:to="loc_us-gaapFiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaapFiniteLivedIntangibleAssetsAmortizationExpenseYearThree" />
      <link:calculationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapFiniteLivedIntangibleAssetsNet" xlink:to="loc_us-gaapFiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaapFiniteLivedIntangibleAssetsAmortizationExpenseYearFour" />
      <link:calculationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapFiniteLivedIntangibleAssetsNet" xlink:to="loc_us-gaapFiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="loc_us-gaapFiniteLivedIntangibleAssetsAmortizationExpenseYearFive" />
      <link:calculationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapFiniteLivedIntangibleAssetsNet" xlink:to="loc_us-gaapFiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:type="arc" weight="1" />
    </link:calculationLink>
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/PropertyAndEquipmentNetDetailsTextual" xlink:title="00000041 - Disclosure - Property and Equipment, Net (Details Textual)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/RelatedPartyBalancesAndTransactionsDetailsTextual" xlink:title="00000042 - Disclosure - Related Party Balances and Transactions (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/NotesPayableDetails" xlink:title="00000043 - Disclosure - Notes Payable (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/NotesPayableDetailsTextual" xlink:title="00000044 - Disclosure - Notes Payable (Details Textual)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/BankLoanDetails" xlink:title="00000045 - Disclosure - Bank Loan (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/BankLoanDetailsTextual" xlink:title="00000046 - Disclosure - Bank Loan (Details Textual)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/TaxesDetails" xlink:title="00000047 - Disclosure - Taxes (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/TaxesDetails1" xlink:title="00000048 - Disclosure - Taxes (Details 1)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/TaxesDetails2" xlink:title="00000049 - Disclosure - Taxes (Details 2)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/TaxesDetails3" xlink:title="00000050 - Disclosure - Taxes (Details 3)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/TaxesDetailsTextual" xlink:title="00000051 - Disclosure - Taxes (Details Textual)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/EquityDetails" xlink:title="00000052 - Disclosure - Equity (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/CommitmentsAndContingenciesDetails" xlink:title="00000053 - Disclosure - Commitments and Contingencies (Details)">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaapOperatingLeasesFutureMinimumPaymentsDue" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaapOperatingLeasesFutureMinimumPaymentsDueCurrent" />
      <link:calculationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapOperatingLeasesFutureMinimumPaymentsDue" xlink:to="loc_us-gaapOperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaapOperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" />
      <link:calculationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapOperatingLeasesFutureMinimumPaymentsDue" xlink:to="loc_us-gaapOperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:type="arc" weight="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaapOperatingLeasesFutureMinimumPaymentsDueInTwoYears" />
      <link:calculationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapOperatingLeasesFutureMinimumPaymentsDue" xlink:to="loc_us-gaapOperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:type="arc" weight="1" />
    </link:calculationLink>
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/CommitmentsAndContingenciesDetailsTextual" xlink:title="00000054 - Disclosure - Commitments and Contingencies (Details Textual)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/SegmentReportingDetails" xlink:title="00000055 - Disclosure - Segment Reporting (Details)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/SegmentReportingDetailsTextual" xlink:title="00000056 - Disclosure - Segment Reporting (Details Textual)" />
    <link:calculationLink xlink:type="extended" xlink:role="http://powerbridge.com/role/SubsequentEventsDetails" xlink:title="00000057 - Disclosure - Subsequent Events (Details)" />
</link:linkbase>
