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Accrued Expenses and Other Liabilities - Schedule of Accrued Expenses and Other Liabilities (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥)
--- | --- | --- | ---
Payables And Accruals [Abstract] |  |  |
Accrued payroll and welfare | ¥ 95,816 |  | ¥ 83,190
Freight payable | 68,197 |  | 70,656
Deposit from suppliers | 27,483 |  | 30,755
Installation fee payables | 18,957 |  | 25,714
Product warranty | 28,796 |  | 22,420
Marketing and promotion expenses | 25,709 |  | 18,476
Payment for purchase of property | 17,647 |  | 15,624
Other tax payable | 9,954 |  | 15,354
Professional fee payables | 5,143 |  | 9,188
Refund liabilities | 6,320 |  | 7,707
Other current liabilities | 69,254 |  | 39,804
Total | 373,276 |  | 338,888
Less: non-current portion | (7,558) |  | (3,400)
Accrued expenses and other liabilities-current portion | ¥ 365,718 | $ 57,390 | ¥ 335,488

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