v3.26.1
Convertible notes payable (Tables)
12 Months Ended
Dec. 31, 2025
Convertible Notes Payable  
Schedule of Convertible notes payable
                       
    December 31,
2024
    December 31,
2025
    December 31,
2025
 
    RMB     RMB     USD  
Investors     149,090,866       -       -  
Total     149,090,866       -       -