v3.26.1
Summary of Significant Accounting Policies (Details)
1 Months Ended 12 Months Ended
Apr. 01, 2019
Jan. 31, 2024
CNY (¥)
Dec. 31, 2025
CNY (¥)
¥ / shares
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2024
CNY (¥)
shares
Dec. 31, 2024
USD ($)
shares
Dec. 31, 2023
CNY (¥)
shares
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Summary of Significant Accounting Policies [Line Items]                  
Foreign currency translation adjustments     ¥ (3,851,418) $ (547,948) ¥ 729,497   ¥ (1,360,107)    
Foreign currency exchange loss     ¥ 152,516 $ 21,699 ¥ (2,914,296)   (1,401,573)    
Rate of convenience translation | (per share)     ¥ 7.0288 $ 1          
Operating segment     2 2 2 2      
Cash     ¥ 38,554,840   ¥ 36,996,422   26,103,076 $ 5,485,266  
Deposit             500,000    
Restricted cash released amount   ¥ 501,952   103,489      
Accumulated interests   1,952              
Allowance for credit loss     22,371,073   19,102,954   10,196,104 3,182,773 $ 2,717,812
Impairment charges (in Dollars) | $              
Impairment charge     2,000,000 300,000   2,400,000    
Property and equipment             3,200,000  
Contract assets     2,700,871   3,441,959   2,023,221 384,258  
Allowance for credit losses related to contract assets     251,089   203,360   39,847 35,723  
Contract liabilities related to advance payments     24,067,058   4,080,621   4,777,398 3,424,064  
Advertising Expense     1,257,676 178,932 1,111,500   1,316,881    
Interest expense     220,339 31,348 2,609,622   995,162    
Deferred offering costs     2,796,401       15,938,208 397,849  
Share issuance costs         1,698,382        
Employee benefit     2,944,348 418,898 3,525,169   2,575,438    
Employee outstanding benefit plan     ¥ 15,001 $ 2,134 ¥ 1,843        
Impairment charge within operating expenses             ¥ 3,200,000    
Value added tax percentage         1.00% 1.00% 0.00%    
Percentage of tax on logistics services     9.00% 9.00%          
Percentage on sale of product     13.00% 13.00% 13.00% 13.00% 13.00%    
Percentage of tax rate on export     17.00% 17.00%          
Percentage of tax rate on export rebate     17.00% 17.00%          
Percentage of tax adjusted on export rebate     16.00% 16.00%          
Percentage of tax on export and border crossing activities     11.00% 11.00%          
Percentage of tax rate on Border crossing and rebate     11.00% 11.00%          
Percentage of tax rate on export rebate and cross border activities     10.00% 10.00%          
VAT rate on sales 16.00%                
Adjusted VAT rate on sales 13.00%                
Percentage of tax rate on exported goods 16.00%                
Percentage of tax refund on export 16.00%                
Percentage on adjusted tax of refund 13.00%                
Dilutive shares (in Shares) | shares        
Statutory reserve     10.00% 10.00%          
Registered capital     50.00% 50.00%          
Statutory reserves     ¥ 434,047 $ 61,753 ¥ 434,047        
Deposits     ¥ 38,554,840   ¥ 36,996,422     $ 5,485,266  
Percentage of borrowing interest     6.50% 6.50% 2.90% 2.90%      
Demand Bank Guarantee [Member]                  
Summary of Significant Accounting Policies [Line Items]                  
Principal amount   ¥ 500,000              
Foreign Exchange [Member]                  
Summary of Significant Accounting Policies [Line Items]                  
Foreign currency exchange loss     ¥ 152,516 $ 21,699 ¥ 2,914,296   ¥ 1,401,573    
Customer Concentration Risk [Member] | Customer Two [Member] | Accounts Receivable [Member]                  
Summary of Significant Accounting Policies [Line Items]                  
Concentration risk percentage         19.70% 19.70%      
Customer Concentration Risk [Member] | Customer Two [Member] | Revenue Benchmark [Member]                  
Summary of Significant Accounting Policies [Line Items]                  
Concentration risk percentage             12.20%    
Customer Concentration Risk [Member] | No Customer [Member] | Accounts Receivable [Member]                  
Summary of Significant Accounting Policies [Line Items]                  
Concentration risk percentage     10.00% 10.00%          
Customer Concentration Risk [Member] | Customer One [Member] | Revenue Benchmark [Member]                  
Summary of Significant Accounting Policies [Line Items]                  
Concentration risk percentage     11.00% 11.00% 12.70% 12.70% 12.30%    
Supplier One [Member] | Supplier Concentration Risk [Member] | Accounts Payable [Member]                  
Summary of Significant Accounting Policies [Line Items]                  
Concentration risk percentage     18.20% 18.20% 36.10% 36.10%      
Supplier One [Member] | Supplier Concentration Risk [Member] | Total Purchases [Member]                  
Summary of Significant Accounting Policies [Line Items]                  
Concentration risk percentage     30.40% 30.40% 24.80% 24.80% 12.10%    
Supplier Two [Member] | Supplier Concentration Risk [Member] | Total Purchases [Member]                  
Summary of Significant Accounting Policies [Line Items]                  
Concentration risk percentage     10.40% 10.40%     11.70%    
Supplier Three [Member] | Supplier Concentration Risk [Member] | Total Purchases [Member]                  
Summary of Significant Accounting Policies [Line Items]                  
Concentration risk percentage             11.00%    
Minimum [Member]                  
Summary of Significant Accounting Policies [Line Items]                  
Payment term after completion of customs brokerage services     30 days 30 days          
Percentage of deduction tax rate     11.00% 11.00%          
Percentage of import tax rate     10.00% 10.00%          
Maximum [Member]                  
Summary of Significant Accounting Policies [Line Items]                  
Payment term after completion of customs brokerage services     90 days 90 days          
Value added tax percentage     6.00% 6.00%          
Percentage of deduction tax rate     17.00% 17.00%          
Percentage of import tax rate     16.00% 16.00%