v3.22.2.2
Accumulated other comprehensive losses (Tables)
9 Months Ended
Sep. 30, 2022
Stockholders' Equity Note [Abstract]  
Schedule of accumulated other comprehensive losses
   Balance as of
January 1,
2021
   Other
comprehensive
loss, net
   Balance as of
September 30,
2021
 
   RMB   RMB   RMB 
             
Foreign currency translation adjustment (RMB)   (18,456,546)   (1,618,941)   (20,075,487)

 

   Balance as of
January 1,
2022
   Other
comprehensive
loss, net
  

Balance as of
September 30,
2022

 
   RMB   RMB   RMB 
             
Foreign currency translation adjustment (RMB)   (25,393,515)   18,747,601    (6,645,914)