v3.26.1
Bank Loans - Schedule of Principal Payments on Long-Term Borrowings (Details) - Dec. 31, 2025
CNY (¥)
USD ($)
Schedule of Principal Payments on Long-Term Borrowings [Abstract]    
2026 ¥ 56,800,000 $ 8,122,292
2027 199,400,000 28,513,821
Total ¥ 256,200,000 $ 36,636,113