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Business combination - Schedule of acquisition of Deyu and Jiuyi (Details) - CNY (¥) ¥ in Thousands	Dec. 31, 2021	Oct. 30, 2020
Business combination
Net assets acquired		¥ 16,408
Deyu and Jiuyi
Business combination
Net assets acquired	¥ 58,578

X

- 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.

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- Definition

Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=128092470&loc=d3e4845-128472

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- Details

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