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Prepayments (Tables)
12 Months Ended
Dec. 31, 2024
Prepayments [Abstract]  
Schedule of Prepayments

Prepayments consist of the following:

 

   As of December 31, 
   2023   2024 
   RMB   RMB 
Prepayments – inventories and processing fee   14,645,763    3,011,819 
Prepayments – design fees   7,162,700    
 
Prepayments – others   2,577,547    1,594,247 
Total   24,386,010    4,606,066