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Short-Term and Long-Term Debts (Tables)
12 Months Ended
Dec. 31, 2021
Debt Disclosure [Abstract]  
Summary of Short-Term Debts
Short-term debts consist of the following:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Name
   Fixed annual rate (%)      Term      As of December 31, 2020  
                   RMB  
Short-term borrowings
    
3.40%-6.80%
      
1-12 months
                                       355,816,940  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Name
   Fixed annual rate (%)      Term      As of December 31, 2021  
                   RMB      US$  
Short-term borrowings
    
3.75%-6.5%
      
1-12 months
          579,776,131           90,979,527  
Summary of Long-Term Debts
Long-term debts consist of the following:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Name
   Fixed annual rate (%)      Term      As of December 31, 2020  
                   RMB  
Securitization debt payables (i)
    
4.73%-6.00%
      
18-20 months
                401,761,874  
Co-financing
debt payables (ii)
    
5.50%-6.60%
      
24-
36
months
                                   1,697,757,491  
Long-term borrowings
    
4.75%-6.00%
       36 months                 107,055,556  
                      
 
 
 
                                 
2,206,574,921
 
                      
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Name
   Fixed annual rate (%)      Term      As of December 31, 2021  
                   RMB      US$  
Co-financing
debt payables (ii)
    
5.50%-6.60%
      
24-36 months
       954,444,171        149,773,118  
Long-term borrowings
    
4.45%-6.00%
      
15-
36
months
       469,941,863        73,744,133  
                      
 
 
    
 
 
 
                        
1,424,386,034
      
223,517,251
 
                      
 
 
    
 
 
 
Summary of Contractual Obligations Which Excludes the Impact of Discount of Time Value
The following table sets forth the contractual obligations of long-term
debts—non-current
which has not included impact of discount of time value as of December 31, 2020 and 2021:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
     Payment due by period  
     Less than 1 year      1 - 2 years      2
-3
years
     Total  
As of December 31, 2020 (RMB)
                                   
Long-term debts –
non-current
     62,363,881        663,503,529        368,390,299        1,094,257,709  
As of December 31, 2021 (RMB)
                                   
Long-term debts –
non-current
     29,956,101        490,167,979        24,730,673        544,854,753  
As of December 31, 2021 (US$)
                                   
Long-term debts –
non-current
     4,700,766        76,918,052        3,880,782        85,499,600