v3.26.1
Concentration - Schedule of Total Accounts Receivable (Details)
 12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Customer Concentration Risk [Member] | Customer A [Member] | Accounts Receivable [Member]        
Schedule of Total Accounts Receivable [Line Items]        
Amount [1] [1] ¥ 7,668,440  
Concentration risk percentage [1] [1] 19.70%  
Customer Concentration Risk [Member] | Customer B [Member] | Revenue Benchmark [Member]        
Schedule of Total Accounts Receivable [Line Items]        
Amount ¥ 65,790,189 $ 9,360,088 ¥ 71,512,406 ¥ 61,254,669
Concentration risk percentage 11.00% 11.00% 12.70% 12.30%
Customer Concentration Risk [Member] | Customer C [Member] | Revenue Benchmark [Member]        
Schedule of Total Accounts Receivable [Line Items]        
Amount [1] [1] [1] ¥ 60,840,708
Concentration risk percentage [1] [1] [1] 12.20%
Supplier Concentration Risk [Member] | Cargo Link Logistics HK Company Limited [Member] | Accounts Payable [Member]        
Schedule of Total Accounts Receivable [Line Items]        
Amount ¥ 7,111,019 $ 1,011,697 [1]  
Concentration risk percentage 18.20% 18.20% [1]  
Supplier Concentration Risk [Member] | Cargo Link Logistics HK Company Limited [Member] | Total Purchase [Member]        
Schedule of Total Accounts Receivable [Line Items]        
Amount ¥ 60,497,759 $ 8,607,125 [1] ¥ 62,063,334
Concentration risk percentage 10.40% 10.40% [1] 12.10%
Supplier Concentration Risk [Member] | Hongkong Boyatong Supply Chain Management [Member] | Accounts Payable [Member]        
Schedule of Total Accounts Receivable [Line Items]        
Amount [1] [1] ¥ 16,125,748  
Concentration risk percentage [1] [1] 36.10%  
Supplier Concentration Risk [Member] | Hongkong Boyatong Supply Chain Management [Member] | Total Purchase [Member]        
Schedule of Total Accounts Receivable [Line Items]        
Amount ¥ 176,400,632 $ 25,096,835 ¥ 142,838,247 [1]
Concentration risk percentage 30.40% 30.40% 24.80% [1]
Supplier Concentration Risk [Member] | Supplier B [Member] | Total Purchase [Member]        
Schedule of Total Accounts Receivable [Line Items]        
Amount [1] [1] [1] ¥ 60,165,266
Concentration risk percentage [1] [1] [1] 11.70%
Supplier Concentration Risk [Member] | Supplier C [Member] | Total Purchase [Member]        
Schedule of Total Accounts Receivable [Line Items]        
Amount [1] [1] [1] ¥ 56,607,369
Concentration risk percentage [1] [1] [1] 11.00%
[1] Represented the percentage below 10%