XML 35 R20.htm IDEA: XBRL DOCUMENT v3.22.1
Other Income, Net
12 Months Ended
Dec. 31, 2021
Other Income and Expenses [Abstract]  
Other Income, Net
14.
OTHER INCOME, NET
Other income consists of the following:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
     For the years ended December 31,  
     2019      2020      2021  
     RMB      RMB      RMB      US$  
Government subsidy
     36,769,550        35,888,591        35,384,908        5,552,664  
Others
     4,530,914        13,250,746        6,526,681        1,024,179  
    
 
 
    
 
 
    
 
 
    
 
 
 
       41,300,464        49,139,337        41,911,589        6,576,843