v3.26.1
Risks and Uncertainties (Details) - CNY (¥)
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Risks and Uncertainties [Line Items]    
Bank deposits (in Yuan Renminbi) ¥ 500,000  
Customer Concentration Risk [Member] | Customer One [Member] | Revenue Benchmark [Member]    
Risks and Uncertainties [Line Items]    
Concentration risk, percentage 22.80% 21.10%
Customer Concentration Risk [Member] | Customer One [Member] | Accounts Receivable [Member]    
Risks and Uncertainties [Line Items]    
Concentration risk, percentage 26.60%  
Customer Concentration Risk [Member] | Customer Two [Member] | Revenue Benchmark [Member]    
Risks and Uncertainties [Line Items]    
Concentration risk, percentage 17.90% 16.90%
Customer Concentration Risk [Member] | Customer Two [Member] | Accounts Receivable [Member]    
Risks and Uncertainties [Line Items]    
Concentration risk, percentage 18.60%  
Customer Concentration Risk [Member] | Customer Three [Member] | Revenue Benchmark [Member]    
Risks and Uncertainties [Line Items]    
Concentration risk, percentage 15.30% 15.80%
Customer Concentration Risk [Member] | Customer Three [Member] | Accounts Receivable [Member]    
Risks and Uncertainties [Line Items]    
Concentration risk, percentage 13.20%  
Customer Concentration Risk [Member] | Customer Four [Member] | Revenue Benchmark [Member]    
Risks and Uncertainties [Line Items]    
Concentration risk, percentage 14.30% 15.10%
Customer Concentration Risk [Member] | Customer Four [Member] | Accounts Receivable [Member]    
Risks and Uncertainties [Line Items]    
Concentration risk, percentage 12.20%  
Customer Concentration Risk [Member] | Customer Five [Member] | Revenue Benchmark [Member]    
Risks and Uncertainties [Line Items]    
Concentration risk, percentage 11.90% 12.40%
Customer Concentration Risk [Member] | Customer Five [Member] | Accounts Receivable [Member]    
Risks and Uncertainties [Line Items]    
Concentration risk, percentage 10.90%  
Customer Concentration Risk [Member] | Top 10 Customers [Member] | Revenue Benchmark [Member]    
Risks and Uncertainties [Line Items]    
Concentration risk, percentage 100.00% 99.90%
Supplier Concentration Risk [Member] | Purchases Raw Material [Member] | One Supplier [Member]    
Risks and Uncertainties [Line Items]    
Concentration risk, percentage 10.10%  
Supplier Concentration Risk [Member] | Purchases Raw Material [Member] | Four Supplier [Member]    
Risks and Uncertainties [Line Items]    
Concentration risk, percentage   49.20%