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CONTRACT ASSETS (Details 1)
¥ in Thousands, $ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2023
USD ($)
Jun. 30, 2023
CNY (¥)
Dec. 31, 2022
CNY (¥)
Contract assets [abstract]      
Beginning of the year/period $ 101 ¥ 733 ¥ 562
Provision for expected credit loss, net 489 3,546 171
End of the year/period $ 590 ¥ 4,279 ¥ 733