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Accrued expenses and other current liabilities (Tables)
12 Months Ended
Dec. 31, 2024
Accrued expenses and other current liabilities  
Schedule of accrued expenses and other current liabilities

As of December 31, 

2023

2024

    

RMB

    

RMB

    

US$

Accrued payroll

 

1,077,834

7,290,249

998,760

Tax payables

 

4,553,304

3,758,066

514,853

Payable to suppliers

 

109,331,440

115,793,122

15,863,592

Payable to external service providers

 

26,282,851

19,447,813

2,664,339

Payable to funding partner

 

79,295,374

50,365,126

6,899,995

Business deposits

6,282,315

5,593,315

766,281

Others

 

73,012,827

59,830,173

8,196,700

299,835,945

262,077,864

35,904,520