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PROPERTY, EQUIPMENT AND SOFTWARE, NET (Tables)
12 Months Ended
Dec. 31, 2022
PROPERTY, EQUIPMENT AND SOFTWARE, NET  
Schedule of property, equipment and software and related accumulated depreciation and amortization

Property, equipment and software and related accumulated depreciation and amortization are as follows:

    

December 31, 

    

December 31, 

    

December 31, 

    

2021

    

2022

    

2022

    

RMB

    

RMB

    

US$

(Note 3)

Computers and equipment

 

215,468,985

265,098,467

38,435,665

Office furniture and fixtures

 

1,738,419

1,710,298

247,970

Motor vehicles

 

3,982,228

3,344,272

484,874

Software

 

10,524,000

10,542,201

1,528,476

Less: accumulated depreciation and amortization

 

(58,733,348)

(137,847,601)

(19,986,024)

Net book value

 

172,980,284

142,847,637

20,710,961