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SHARE-BASED PAYMENTS (Details 3)
$ / shares in Units, ¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2024
USD ($)
$ / shares
Dec. 31, 2024
CNY (¥)
Dec. 31, 2022
USD ($)
$ / shares
Dec. 31, 2022
CNY (¥)
Fair value at the measurement date $ 24,451 ¥ 178,443 $ 2,400 ¥ 16,209
Expected volatility 121.79% 121.79% 93.50% 93.50%
Risk-free interest rate 4.17% 4.17% 3.16% 3.16%
Expected life 2 years 7 months 17 days 2 years 7 months 17 days 3 years 3 years
Share price $ 0.680   $ 0.623