Subsequent events	12 Months Ended
Dec. 31, 2022
Subsequent events
Subsequent events	19. Subsequent events In January, February, March and April 2023, the Group have set up one-year loans amounting to RMB255,000,000, RMB10,000,000, RMB47,500,000 and RMB200,000,000, respectively, which apply a fixed rate of 4.0%, 5.5%, 4.25% and 8.0%, respectively. In March 2023, the Group set up a nine-month loan amounting to RMB100,000,000, which applies a fixed rate of 8.0%.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI https://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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