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

NET REVENUES - Schedule of Net Revenues (Details)

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NET REVENUES - Schedule of Net Revenues (Details)
 12 Months Ended
Dec. 31, 2023
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
CNY (¥)
Dec. 31, 2021
CNY (¥)
NET REVENUES        
Net revenues ¥ 221,618,968 $ 31,214,379 ¥ 206,820,874 ¥ 202,209,465
Portfolio training services        
NET REVENUES        
Net revenues 166,448,699   153,136,274 151,433,831
Research-based learning services        
NET REVENUES        
Net revenues 6,512,650   3,721,829 5,977,438
Overseas study counselling services        
NET REVENUES        
Net revenues 28,993,831   24,974,973 23,623,998
Other educational services        
NET REVENUES        
Net revenues ¥ 19,663,788   24,657,609 ¥ 21,174,198
K-12 education assessment and other services        
NET REVENUES        
Net revenues     ¥ 330,189