v3.26.1
Convertible notes payable (Tables)
6 Months Ended
Jun. 30, 2026
Convertible Notes Payable  
Schedule of Convertible notes payable
                       
    December 31,
2025
    June 30,
2026
    June 30,
2026
 
    RMB     RMB     USD  
          (Unaudited)     (Unaudited)  
Investors     -       -       -  
Total     -       -       -