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CASH AND CASH EQUIVALENTS (Details)
¥ in Thousands, $ in Thousands
Jun. 30, 2022
USD ($)
Jun. 30, 2022
CNY (¥)
Dec. 31, 2021
CNY (¥)
Cash and cash equivalents      
- Cash on hand $ 11 ¥ 70 ¥ 74
- Cash at bank 7,589 50,845 58,285
Cash and cash equivalents $ 7,600 ¥ 50,915 ¥ 58,359