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, 2020
CNY (¥)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
CNY (¥)
Dec. 31, 2018
CNY (¥)
NET REVENUES        
Net revenues ¥ 162,167,547 $ 24,853,264 ¥ 97,770,167 ¥ 1,338,592
Portfolio training services        
NET REVENUES        
Net revenues 113,191,386   63,828,907  
Research-based learning services        
NET REVENUES        
Net revenues 4,452,915   10,456,269  
Overseas study counselling services        
NET REVENUES        
Net revenues 21,059,645   8,091,551  
Other educational services reporting unit        
NET REVENUES        
Net revenues 20,025,679   9,045,411  
K12 education assessment and other services        
NET REVENUES        
Net revenues ¥ 3,437,922   ¥ 6,348,029 ¥ 1,338,592