v3.26.1
Summary of Significant Accounting Policies (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2025
CNY (¥)
Segment
Dec. 31, 2025
USD ($)
Segment
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2025
USD ($)
Nov. 07, 2025
USD ($)
Nov. 28, 2024
CNY (¥)
Summary of Significant Accounting Policies [Line Items]                
Net income (loss) ¥ (82,968) $ (11,867) ¥ 13,470   ¥ 37,509      
Net cash provided by operating activities 13,333 1,911 41,046   48,184      
Cash and restricted cash 50,334         $ 7,197    
Working capital 16,944 $ 2,420            
Deferred offering expenses ¥ 8,663         1,239    
Land use rights amortization period 50 years 50 years            
Impairment charge recognized (in Dollars) | $            
Fixed exchange rate             0.04641 0.04784
Notional amount             $ 10,568 ¥ 20,222
Fixed rate             2.89% 3.15%
Contract liabilities ¥ 3,485   3,885     $ 498    
Revenue of contract liabilities recognized 2,731 391 3,007          
Shipping and handling expenses 3,712 531 5,924   5,077      
Advertising costs ¥ 1,721 $ 246 ¥ 1,539   ¥ 2,542      
VAT rate 3.00% 3.00% 3.00% 3.00%        
Percentage of tax benefit 50.00% 50.00%            
Percentage of statutory surplus reserve fund after tax profits 10.00% 10.00%            
Percentage of aggregated appropriations registered capital 50.00% 50.00%            
Percentage of after tax profits 10.00% 10.00%            
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description our chief operating decision maker (“CODM”) has been identified as our Chief Executive Officer, who reviews consolidated results when making decisions about allocating resources and assessing performance of the company. our chief operating decision maker (“CODM”) has been identified as our Chief Executive Officer, who reviews consolidated results when making decisions about allocating resources and assessing performance of the company.            
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Chief Executive Officer Chief Executive Officer            
Number of reportable segment (in Segment) | Segment 1 1            
US Dollar [Member]                
Summary of Significant Accounting Policies [Line Items]                
Convenience translation rate 1         1    
RMB [Member]                
Summary of Significant Accounting Policies [Line Items]                
Convenience translation rate 6.9931         6.9931    
Customer Concentration Risk [Member] | Client One [Member] | Accounts Receivable [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of concentration risk 11.80% 11.80% 49.00% 49.00%        
Customer Concentration Risk [Member] | Client One [Member] | Revenue Benchmark [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of concentration risk 13.70% 13.70% 44.60% 44.60% 52.10%      
Customer Concentration Risk [Member] | Largest Clients [Member] | Accounts Receivable [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of concentration risk     49.00% 49.00%        
Customer Concentration Risk [Member] | Client Two [Member] | Accounts Receivable [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of concentration risk 11.60% 11.60%            
Customer Concentration Risk [Member] | Client Two [Member] | Revenue Benchmark [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of concentration risk         15.00%      
Peoples Republic of China [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of aggregated appropriations registered capital 50.00% 50.00%            
Vendor One [Member] | Supplier Concentration Risk [Member] | Accounts Payable [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of concentration risk 10.20% 10.20% 13.70% 13.70%        
Vendor One [Member] | Supplier Concentration Risk [Member] | Total Purchases [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of concentration risk 12.30% 12.30%     14.20%      
No Vendor [Member] | Supplier Concentration Risk [Member] | Total Purchases [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of concentration risk         10.00%      
Vendor Two [Member] | Supplier Concentration Risk [Member] | Total Purchases [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of concentration risk 12.20% 12.20%            
Minimum [Member]                
Summary of Significant Accounting Policies [Line Items]                
Estimated useful lives 3 years         3 years    
Maximum [Member]                
Summary of Significant Accounting Policies [Line Items]                
Estimated useful lives 10 years         10 years    
Jilin Economic and Technological Development Zone Economic and Technological Development General Corporation [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of equity and noncontrolling interests 15.2439%         15.2439%    
Jilin Jinqiao Investment Co. Ltd., [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of equity and noncontrolling interests 0.9146%         0.9146%    
Yufeng Liu. [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of equity and noncontrolling interests 0.0001%         0.0001%    
Jilin Zhengye [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of equity and noncontrolling interests 51.00%         51.00%    
Youjia Technology Consulting Services (Tianjin) Co., Ltd. [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of equity and noncontrolling interests 49.00%         49.00%