v3.26.1
ACCOUNTS RECEIVABLE, NET (Tables)
12 Months Ended
Dec. 31, 2025
ACCOUNTS RECEIVABLE, NET  
Schedule of accounts receivable, net

 

As of December 31, 

  ​ ​ ​

2024

  ​ ​ ​

2025

 

RMB

RMB

Accounts receivable

 

308,556,264

208,368,929

Allowance for doubtful accounts

 

(176,634,845)

(170,996,885)

Accounts receivable, net

 

131,921,419

37,372,044

Schedule of movement of the allowance for doubtful accounts

 

For the Year Ended

 

December 31, 

  ​ ​ ​

2023

  ​ ​ ​

2024

  ​ ​ ​

2025

 

RMB

RMB

RMB

Balance at the beginning of the year

 

29,593,693

169,038,710

176,634,845

Additions

 

139,445,017

19,840,922

1,624,524

Reversal

(12,244,787)

(7,262,484)

Balance at the end of the year

 

169,038,710

176,634,845

170,996,885