XML 49 R27.htm IDEA: XBRL DOCUMENT v3.25.1

Commitments and contingencies	12 Months Ended
	Dec. 31, 2024
Commitments and contingencies
Commitments and contingencies	20. Commitments and contingencies Capital Commitments The Company’s capital commitments relate primarily to commitments in connection with its plan to build an office building and innovation center. The total capital commitments contracted but not yet reflected in the financial statements as of December 31,2023 and 2024 amounted to RMB 397,421,757 and RMB 157,801,809 (US$ 21,618,759) respectively. All of the commitments relating to the construction will be settled in installments.

X

- References

No definition available.

+ Details

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

X

- Definition

The entire disclosure for commitments and contingencies.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 405
-SubTopic 30
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/405-30/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 440
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482648/440-10-50-4

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/450/tableOfContent

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 954
-SubTopic 440
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478522/954-440-50-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 440
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482648/440-10-50-4

Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 440
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/440/tableOfContent

+ Details

Name:	us-gaap_CommitmentsAndContingenciesDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration