Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

GOODWILL AND INTANGIBLE ASSETS, NET- Schedule of Total amortization expense recognized (Details)

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GOODWILL AND INTANGIBLE ASSETS, NET- Schedule of Total amortization expense recognized (Details) - CNY (¥)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
GOODWILL AND INTANGIBLE ASSETS, NET      
Total amortization expense ¥ 17,233,333 ¥ 17,473,333 ¥ 17,233,333
Cost of revenues      
GOODWILL AND INTANGIBLE ASSETS, NET      
Total amortization expense   240,000  
General and administrative      
GOODWILL AND INTANGIBLE ASSETS, NET      
Total amortization expense ¥ 17,233,333 ¥ 17,233,333 ¥ 17,233,333