v3.26.1
Prepayments and Other Assets (Details)
¥ in Thousands
12 Months Ended
Sep. 10, 2025
USD ($)
Apr. 20, 2020
USD ($)
Apr. 20, 2020
CNY (¥)
Oct. 22, 2018
USD ($)
Oct. 22, 2018
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Prepayments And Other Assets [Line Items]                          
Principal amount           $ 2,740,000 ¥ 20,000            
Annual interest rate   3.50% 3.50%                    
Interest               $ 410,000   $ 350,000   ¥ 2,980 ¥ 2,500
Aggregate consideration $ 16,520,000         $ 16,520,000              
Loans [Member]                          
Prepayments And Other Assets [Line Items]                          
Annual interest rate           3.50% 3.50%            
Jiangsu Qionghua Group Co Ltd [Member]                          
Prepayments And Other Assets [Line Items]                          
Purchase agreement   $ 13,030,000.00 ¥ 85,000                    
Principal amount           $ 340,000 ¥ 2,500 $ 1,370,000 ¥ 10,000 $ 706,125 ¥ 5,000    
Touqiao Town [Member]                          
Prepayments And Other Assets [Line Items]                          
Purchase agreement       $ 7,270,000 ¥ 50,000                
Yangzhou City [Member]                          
Prepayments And Other Assets [Line Items]                          
Purchase agreement       $ 8,620,000 ¥ 60,000