Additional number of years of cooperation agreement with Xinjiang Deyuan and Deyuan Shareholder.

No definition available.

Name:	cbpo_AdditionalNumberOfYearsOfCooperationAgreement
Namespace Prefix:	cbpo_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the additional number of tonnes of source plasma agreed to sell as per extended cooperation agreement.

+ References

No definition available.

+ Details

Name:	cbpo_AdditionalTonnesAgreedToSell
Namespace Prefix:	cbpo_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Principal amount of an interest-bearing loan that Guizhou Taibang agreed to provide Xinjiang Deyuan, pursuant to the cooperation agreement.

+ References

No definition available.

+ Details

Name:	cbpo_CooperationAgreementLoanPrincipalAmount
Namespace Prefix:	cbpo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the offset amount of interest income on investment

+ References

No definition available.

+ Details

Name:	cbpo_InvestmentIncomeInterestOffsetAmount
Namespace Prefix:	cbpo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of loan receivable offset by accounts payable.

+ References

No definition available.

+ Details

Name:	cbpo_LoanReceivableOffsetByAccountsPayable
Namespace Prefix:	cbpo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the maximum number of tonnes of source plasma agreed to sell to Guizhou Taibang by Xinjiang Deyuan.

+ References

No definition available.

+ Details

Name:	cbpo_MaximumNumberOfTonnesAgreedToSell
Namespace Prefix:	cbpo_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of equity interest in Xinjiang Deyuan which is pledged to secure the loan.

+ References

No definition available.

+ Details

Name:	cbpo_PercentageOfEquityInterestPledgedToSecureLoan
Namespace Prefix:	cbpo_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Discussion of whether the debt instrument is secured or unsecured, and, if secured, a description of the collateral and guarantees required or provided.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

Name:	us-gaap_DebtInstrumentCollateral
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.7(b))
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

+ Details

Name:	us-gaap_InvestmentIncomeInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Interest received on loans and other debt instruments during the current period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 16
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3337-108585

+ Details

Name:	us-gaap_ProceedsFromInterestReceived
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentAxis=cbpo_XinjiangDeyuanBioengineeringCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ExtinguishmentOfDebtAxis=us-gaap_LongTermDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

LOAN RECEIVABLE (Details)	1 Months Ended		12 Months Ended
LOAN RECEIVABLE (Details)	Aug. 31, 2018 t	Aug. 31, 2015 USD ($) t	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Aug. 31, 2015 CNY (¥) t
LOAN RECEIVABLE
Interest income			$ 21,322,239	$ 13,706,750	$ 7,623,624
Loan Receivable Offset by Accounts Payable			$ 3,716,055	3,784,297	0
Xinjiang Deyuan [Member]
LOAN RECEIVABLE
Number of tonnes agreed to sell \| t		500				500
Additional tonnes agreed to sell \| t	500
Extended number of years of agreement	3 years
Percentage of equity interest pledged to secure the loan	58.02%
Debt Instrument, Collateral			Deyuan Shareholder’s 58.02% equity interest in Xinjiang Deyuan.
Loan Receivable Offset by Accounts Payable			$ 3,716,055	3,784,297
Xinjiang Deyuan [Member] \| Long-term Debt [Member]
LOAN RECEIVABLE
Cooperation Agreement Loan Principal Amount		$ 43,002,000				¥ 300,000,000
Debt Instrument, Interest Rate, Stated Percentage		6.00%				6.00%
Debt Instrument, Maturity Date		Jul. 31, 2018
Interest income			2,162,210	2,904,886	2,514,936
Interest Receivable Offset By Accounts Payable For The Purchase Of Plasma From Xinjiang Deyuan			2,308,913	2,062,426	0
Proceeds from Interest Received			$ 0	$ 695,757	$ 2,514,936