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Summary of Significant Accounting Policies (Details) - Schedule of Disaggregation of Revenue
6 Months Ended
Jun. 30, 2023
CNY (¥)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
CNY (¥)
Schedule of Disaggregation of Revenue [Line Items]      
Net revenues ¥ 52,268,716 $ 7,233,623 ¥ 380,138,767
Product Sales Revenue [Member]      
Schedule of Disaggregation of Revenue [Line Items]      
Net revenues 46,868,172   319,193,707
Service Revenue [Member]      
Schedule of Disaggregation of Revenue [Line Items]      
Net revenues ¥ 5,400,544   ¥ 60,945,060