Related party transactions	12 Months Ended
Dec. 31, 2023
Related party transactions
Related party transactions	21. Related party transactions For the years ended December 31, 2021, 2022 and 2023, the Group had no material related party transactions and no material related party balance as of December 31, 2022 and 2023.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

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+ Details