v3.26.1
Accounts receivable, net (Tables)
6 Months Ended
Jun. 30, 2026
Credit Loss [Abstract]  
Schedule of Accounts receivable, net
                       
    December 31,
2025
    June 30,
2026
    June 30,
2026
 
    RMB     RMB     USD  
    (Audited)     (Unaudited)     (Unaudited)  
Accounts receivable     27,669,404       20,975,050       3,079,630  
Less: allowance for credit loss     (5,513,270 )     (3,183,129 )     (467,358 )
Accounts receivable, net     22,156,134       17,791,921       2,612,272  
Schedule of allowance for doubtful accounts
                       
    December 31,
2025
    June 30,
2026
    June 30,
2026
 
    RMB     RMB     USD  
    (Audited)     (Unaudited)     (Unaudited)  
Beginning balance     4,030,967       5,513,270       784,383  
Allowance for credit loss     2,306,700       108,423       15,724  
Write-off     (51,892 )     (1,883,741 )     (273,180 )
Other changes - Deconsolidation     (772,505 )     (554,823 )     (80,461 )
Exchange rate difference     -       -       20,892  
Ending balance     5,513,270       3,183,129       467,358