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Accrued expenses and other liabilities (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2023 CNY (¥) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 CNY (¥)
--- | --- | --- | ---
Accrued Liabilities and Other Liabilities [Abstract] |  |  |
Salaries and benefits payables | ¥ 257,207 |  | ¥ 246,189
Taxes payable | 101,487 |  | 103,067
Product warranties | 41,924 |  | 61,432
Accrued costs of the Merger | 54,984 |  | 136,756
Other payables and accrued charges | 158,938 |  | 237,690
Accrued expenses and other current liabilities | ¥ 614,540 | $ 86,557 | ¥ 785,134

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