v3.26.1
Short-term investments (Tables)
12 Months Ended
Dec. 31, 2025
Cash and Cash Equivalents [Abstract]  
Schedule of short term investments consist
                 
    December 31,
2024
    December 31,
2025
    December 31,
2025
 
    RMB     RMB     USD  
Marketable securities     149,583,000       1,138,090,600       161,918,194  

 

Fair value disclosure:

 

          December 31, 2024  
    December 31,     Fair Value  
    2024     Level 1     Level 2     Level 3  
    RMB     RMB     RMB     RMB  
Marketable securities     149,583,000       149,583,000       -       -  

 

          December 31, 2025  
    December 31,     Fair Value  
    2025     Level 1     Level 2     Level 3  
    RMB     RMB     RMB     RMB  
Marketable securities     1,138,090,600       1,138,090,600       -       -