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DEFERRED TAX ASSETS AND LIABILITIES (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2022 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥)
--- | --- | --- | ---
Deferred Tax Assets And Liabilities |  |  |
Deferred tax assets | $ 71 | ¥ 488 | ¥ 3,291
Offset amount | (71) | (488) | (3,225)
Deferred tax assets after offsetting |  |  | 66
Deferred tax liabilities before offsetting | 836 | 5,764 | 5,769
Offset amount | (71) | (488) | (3,225)
Deferred tax liabilities after offsetting | $ 765 | ¥ 5,276 | ¥ 2,544

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