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SHARE-BASED PAYMENTS (Details 1) - ¥ / shares
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Number of shares covered by the warrants 74,394 79,200 396,000 396,000
Exercise price per share of the warrants ¥ 3.115 [1] ¥ 0.623 [2] ¥ 2.35
Effect of Five-to-One Share Combination   (316,800)    
Warrant expired (79,200)      
Exercise price per share expired      
Warrant issued 74,394      
Exercise price per share issued ¥ 2.20      
[1] The exercise price was revised to $3.115 per share in March, 2023.
[2] The exercise price was revised to $0.623 per share in July, 2022.