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Long-Term Borrowing (Details)
12 Months Ended
Dec. 31, 2023
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
CNY (¥)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 23, 2022
CNY (¥)
Dec. 23, 2022
USD ($)
Long-Term Borrowing [Line Items]              
Maturing year 1 year       1 year    
Loan amount           ¥ 5,000,000 $ 705,945
Interest rate of long term debt           4.15% 4.15%
Remaining loan amount ¥ 2,833,080     $ 400,000 ¥ 3,800,000 $ 536,519
Outstanding 4,400,000 $ 621,232          
Interest expenses 192,755 $ 27,215 ¥ 172,578 ¥ 197,103      
Long Term Loan [Member]              
Long-Term Borrowing [Line Items]              
Debt repaid ¥ 600,000       $ 84,713 ¥ 50,000 $ 7,059