v3.26.3
Going Concern (Details)
6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2026
CNY (¥)
Jun. 30, 2025
CNY (¥)
Sep. 29, 2026
USD ($)
Sep. 29, 2026
CNY (¥)
Aug. 03, 2026
USD ($)
Aug. 03, 2026
CNY (¥)
Jun. 30, 2026
CNY (¥)
Dec. 31, 2025
CNY (¥)
Going Concern [Line Items]                  
Incurred net losses $ 35,101,942 ¥ 238,170,188 ¥ 19,885,492            
Accumulated deficit 398,800,000             ¥ 2,705,784,183 ¥ 2,475,998,594
Working capital $ 20,200,000             ¥ 137,200,000 ¥ 113,200,000
Interest rate 3.50%             3.50%  
Net cash provided by operating activities $ 1,500,000 ¥ 10,100,000 ¥ 15,000,000            
Subsequent Event [Member]                  
Going Concern [Line Items]                  
Loan amount       $ 300,000 ¥ 2,100,000 $ 900,000 ¥ 6,000,000