v3.26.1
Loans from Third Parties - Schedule of Loans from Third Parties (Details)
 12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2025
USD ($)
Schedule of Loans from Third Parties [Line Items]      
Balance, Short-term loans from third parties ¥ 610,637 [1] ¥ 11,551,614 $ 87,320 [1]
Maturity Date, Short-term loans from third parties [1] Due on demand    
Effective Interest Rate, Short-term loans from third parties [1]    
Collateral/ Guarantee, Short-term loans from third parties [1]    
Long-term loans from third parties, current      
Balance, Long-term loans from third parties, current   ¥ 2,320,082  
Ping Fang [Member]      
Long-term loans from third parties, noncurrent      
Balance, Long-term loans from third parties, noncurrent [2] ¥ 2,000,582   286,079
Maturity Date, Long-term loans from third parties, noncurrent [2] December 31, 2027    
Effective Interest Rate, Long-term loans from third parties, noncurrent 9.6% [2] August 31, 2025  
Effective Interest Rate, Long-term loans from third parties amount, noncurrent [2] ¥ 16,000    
Long-term loans from third parties, current      
Balance, Long-term loans from third parties, current   ¥ 2,000,582  
Maturity Date, Long-term loans from third parties, current 9.6% [2] August 31, 2025  
Effective Interest Rate, Long-term loans from third parties, current   9.60%  
Collateral/ Guarantee, Long-term loans from third parties, current   Guaranteed by three related parties, including Dexiang Wei, Guoji Luo, Yongan Zhong and one management of the Group  
Effective Interest Rate, Long-term loans from third parties amount, current   ¥ 16,000  
Xueyi Xie [Member]      
Long-term loans from third parties, noncurrent      
Effective Interest Rate, Long-term loans from third parties, noncurrent December 31, 2026 [3] December 31, 2025  
Long-term loans from third parties, current      
Balance, Long-term loans from third parties, current ¥ 200,000 [3] ¥ 200,000 $ 28,600 [3]
Maturity Date, Long-term loans from third parties, current December 31, 2026 [3] December 31, 2025  
Effective Interest Rate, Long-term loans from third parties, current [3]  
Collateral/ Guarantee, Long-term loans from third parties, current [3]  
Zhenyang Shi and Li Xu [Member]      
Schedule of Loans from Third Parties [Line Items]      
Balance, Short-term loans from third parties   ¥ 6,905,558  
Maturity Date, Short-term loans from third parties [1]   Due on demand  
Effective Interest Rate, Short-term loans from third parties    
Collateral/ Guarantee, Short-term loans from third parties [1]   Partially guaranteed by Zhenyang Shi and Li Xu  
Zhenyang Shi and Li Xu [Member] | Minimum [Member]      
Schedule of Loans from Third Parties [Line Items]      
Effective Interest Rate, Short-term loans from third parties    
Zhenyang Shi and Li Xu [Member] | Maximum [Member]      
Schedule of Loans from Third Parties [Line Items]      
Effective Interest Rate, Short-term loans from third parties    
Zhenyang Shi [Member]      
Schedule of Loans from Third Parties [Line Items]      
Balance, Short-term loans from third parties   ¥ 4,646,056  
Maturity Date, Short-term loans from third parties   From January to August 2025  
Effective Interest Rate, Short-term loans from third parties    
Collateral/ Guarantee, Short-term loans from third parties   Partially Guaranteed by Zhenyang Shi  
Zhenyang Shi [Member] | Minimum [Member]      
Schedule of Loans from Third Parties [Line Items]      
Effective Interest Rate, Short-term loans from third parties   0.00%  
Zhenyang Shi [Member] | Maximum [Member]      
Schedule of Loans from Third Parties [Line Items]      
Effective Interest Rate, Short-term loans from third parties   18.00%  
Haiming Luo [Member]      
Long-term loans from third parties, noncurrent      
Effective Interest Rate, Long-term loans from third parties, noncurrent   February 28, 2025, monthly pay RMB8,333  
Long-term loans from third parties, current      
Balance, Long-term loans from third parties, current   ¥ 119,500  
Maturity Date, Long-term loans from third parties, current   February 28, 2025, monthly pay RMB8,333  
Effective Interest Rate, Long-term loans from third parties, current   6000.00%  
Collateral/ Guarantee, Long-term loans from third parties, current   Guaranteed by three related parties, including Dexiang Wei, Guoji Luo, Yongan Zhong and one management of the Group  
[1] For the years ended December 31, 2024 and 2025, the Group entered into various loans agreements with individuals for an aggregated amount of RMB19,856,630 and RMB 2,951,275 (US$422,027), respectively, to facilitate its business operations. During the years ended December 31, 2024 and 2025, the Group did not fully repay the loans which were due on demand, and these entity and individuals may request the Group to repay the loan at any time.
[2] The loan was renewed in 2025 with maturity date of December 31, 2027.
[3] The loan was renewed in 2025 with maturity date of December 31, 2026.