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DEFERRED TAX ASSETS AND LIABILITIES (Details 3) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 USD ($) | Dec. 31, 2024 CNY (¥) | Dec. 31, 2023 CNY (¥)
Deferred Tax Assets And Liabilities |  |  |
Deductible temporary differences with no deferred tax assets recognized |  |  | ¥ 1,200
Tax losses with no deferred tax assets recognized | 91 | 667 | 6,077
Total | $ 91 | ¥ 667 | ¥ 7,277

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