<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/schedule13g" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>SCHEDULE 13G</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <!-- Field: Pseudo-Tag; ID: Name; Data: Pacific Century Oil &amp; Gas Technology Co., LTD -->
          <cik>0002054121</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <securitiesClassTitle>Ordinary Shares, par value $0.001 per share</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>12/31/2024</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0001985139</issuerCik>
        <issuerName>Leishen Energy Holding Co., Ltd.</issuerName>
        <issuerCusip>G5462C106</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <com:street1>103 Huizhong Li, Peking Times Square</com:street1>
          <com:street2>Unit 15B10, Chaoyang District</com:street2>
          <com:city>Beijing</com:city>
          <com:stateOrCountry>F4</com:stateOrCountry>
          <com:zipCode>100101</com:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(d)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>Pacific Century Oil and Gas Technology Co., LTD</reportingPersonName>
      <citizenshipOrOrganization>D8</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>1240000.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>1240000.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>1240000.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>7.3</classPercent>
      <typeOfReportingPerson>CO</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>Yali Wang</reportingPersonName>
      <citizenshipOrOrganization>F4</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>1240000.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>1240000.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>1240000.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>7.3</classPercent>
      <typeOfReportingPerson>IN</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>Xiangteng Li</reportingPersonName>
      <citizenshipOrOrganization>F4</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>1240000.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>1240000.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>1240000.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>7.3</classPercent>
      <typeOfReportingPerson>IN</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>Leishen Energy Holding Co., Ltd.</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>103 Huizhong Li, Peking Times Square, Unit 15B10, Chaoyang District, Beijing, F4, 100101</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>Pacific Century Oil and Gas Technology Co., LTD, Yali Wang and Xiangteng Li (each, a "Reporting Person" and collectively, the "Reporting Persons")</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>The address of principal business office of Pacific Century Oil and Gas Technology Co., LTD is located at 103 Huizhong Li, B Building, Peking Times Square, Unit 15B10, Chaoyang District, Beijing, China.
The address of principal business office of Yali Wang is located at 103 Huizhong Li, B Building, Peking Times Square, Unit 15B10, Chaoyang District, Beijing, China.
The address of principal business office of Xiangteng Li is located at 103 Huizhong Li, B Building, Peking Times Square, Unit 15B10, Chaoyang District, Beijing, China.</principalBusinessOfficeOrResidenceAddress>
        <citizenship>Pacific Century Oil and Gas Technology Co., LTD is a British Virgin Islands company.
Yali Wang is a citizen of the People's Republic of China.
Xiangteng Li is a citizen of the People's Republic of China.</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>Y</notApplicableFlag>
      </item3>
      <item4>
        <amountBeneficiallyOwned>Pacific Century Oil and Gas Technology Co., LTD: 1,240,000;
Yali Wang: 1,240,000; and
Xiangteng Li: 1,240,000.

Represents 1,240,000 Ordinary Shares directly held by Pacific Century Oil and Gas Technology Co., LTD. Yali Wang and Xiangteng Li are the controlling persons of Pacific Century Oil and Gas Technology Co., LTD. Yali Wang and Xiangteng Li own 60% and 40% of the issued shares of Pacific Century Oil and Gas Technology Co., LTD. respectively and have shared voting and dispositive power over 1,240,000 Ordinary Shares held by Pacific Century Oil and Gas Technology Co., LTD. The voting rights proxy agreement entered into with and the power of attorney granted to Polar Energy Company Limited, both dated August 10, 2023, may be terminated and revoked respectively with an advance 30 days' written notice. Hence, Pacific Century Oil and Gas Technology Co., LTD. and its shareholders retain a beneficial interest in the 1,240,000 Ordinary Shares subject to such voting rights proxy agreement and the power of attorney.</amountBeneficiallyOwned>
        <classPercent>Pacific Century Oil and Gas Technology Co., LTD: 7.3%;
Yali Wang: 7.3%; and
Xiangteng Li: 7.3%.

The percentage of class of securities beneficially owned by each Reporting Person is calculated based on a total of 17,025,000 ordinary shares of the Issuer issued and outstanding as of January 8, 2025, as reported in the Issuer's prospectus filed under Rule 424(b)(4) with the Securities and Exchange Commission on December 20, 2024 and current report on Form 6-K furnished to the Securities and Exchange Commission on January 8, 2025.</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>0</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>Pacific Century Oil and Gas Technology Co., LTD: 1,240,000;
Yali Wang: 1,240,000; and
Xiangteng Li: 1,240,000.</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>0</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>Pacific Century Oil and Gas Technology Co., LTD: 7.3%;
Yali Wang: 7.3%; and
Xiangteng Li: 7.3%.</sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <notApplicableFlag>Y</notApplicableFlag>
      </item5>
      <item6>
        <notApplicableFlag>Y</notApplicableFlag>
      </item6>
      <item7>
        <notApplicableFlag>Y</notApplicableFlag>
      </item7>
      <item8>
        <notApplicableFlag>Y</notApplicableFlag>
      </item8>
      <item9>
        <notApplicableFlag>Y</notApplicableFlag>
      </item9>
      <item10>
        <notApplicableFlag>Y</notApplicableFlag>
      </item10>
    </items>
    <exhibitInfo>99.1 Joint Filing Agreement</exhibitInfo>
    <signatureInformation>
      <reportingPersonName>Pacific Century Oil and Gas Technology Co., LTD</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Yali Wang</signature>
        <title>Yali Wang/Director</title>
        <date>02/12/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>Yali Wang</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Yali Wang</signature>
        <title>Yali Wang</title>
        <date>02/12/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>Xiangteng Li</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Xiangteng Li</signature>
        <title>Xiangteng Li</title>
        <date>02/12/2025</date>
      </signatureDetails>
    </signatureInformation>
  </formData>

</edgarSubmission>
