v3.26.1
Property, Plant and Equipment, Net (Tables)
12 Months Ended
Dec. 31, 2025
Property, Plant and Equipment, Net [Abstract]  
Schedule of Property and Equipment, Net

Property, plant and equipment, net consists of the following:

 

   As of December 31, 
   2024   2025   2025 
   RMB   RMB   USD 
Land   40,972,933    49,781,793    7,118,702 
Buildings and plants   562,423,983    570,890,182    81,636,210 
Leasehold improvements   651,694,871    577,902,065    82,638,897 
Furniture, fixtures and equipment   244,771,734    241,453,078    34,527,331 
Motor vehicles   9,476,389    9,163,689    1,310,390 
Total   1,509,339,910    1,449,190,807    207,231,530 
Less:               
Accumulated depreciation   (862,489,629)   (911,724,012)   (130,374,800)
                
Construction in progress   2,677,929    22,452,162    3,210,616 
Property, plant and equipment, net   649,528,210    559,918,957    80,067,346