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RESTRICTED CASH (Details)
¥ in Thousands, $ in Thousands
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
RESTRICTED CASH      
Restricted cash current ¥ 1,060 $ 154 ¥ 1,387
Restricted cash non-current ¥ 0   ¥ 138