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Cost of Revenue
 12 Months Ended
Dec. 31, 2021
Text Block [Abstract]  
Cost of Revenue
 
12.
COST OF REVENUE
Cost of revenue consists of the following:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
     For the years ended December 31,  
     2019      2020      2021  
     RMB      RMB      RMB      US$  
Cost of vehicle
      11,176,116        619,227,148        2,210,715,054        346,909,433  
Commission to car dealerships
      158,100,562        117,985,878        375,702,902        58,955,984  
Leasing interest expense
      116,965,519        132,322,922        119,692,726        18,782,401  
Staff cost
      72,999,170        73,975,397        105,771,335        16,597,831  
Staff incentive
      98,173,090        84,046,881        61,894,967        9,712,671  
Others
      81,852,960        70,562,523        84,232,888        13,217,977  
    
 
 
     
 
 
     
 
 
     
 
 
  
       539,267,417        1,098,120,749        2,958,009,872        464,176,297