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CASH AND CASH EQUIVALENTS (Details)
¥ in Thousands, $ in Thousands
Jun. 30, 2024
USD ($)
Jun. 30, 2024
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2023
CNY (¥)
Jun. 30, 2023
CNY (¥)
Dec. 31, 2022
CNY (¥)
Cash and cash equivalents            
- Cash on hand $ 1 ¥ 1   ¥ 2    
- Cash at bank 1,207 8,778   4,751    
Total Cash and cash equivalent $ 1,208 ¥ 8,779 $ 654 ¥ 4,753 ¥ 32,209 ¥ 31,695