v3.25.2
Summary of Significant Accounting Policies - Schedule of Net Revenues (Details)
6 Months Ended
Jun. 30, 2025
CNY (¥)
Jun. 30, 2025
USD ($)
Jun. 30, 2024
CNY (¥)
Schedule of Net Revenues [Line Items]      
Net revenues ¥ 8,283,373 $ 1,157,122 ¥ 24,739,480
Product sales revenue [Member]      
Schedule of Net Revenues [Line Items]      
Net revenues 7,931,032   20,352,715
Service revenue [Member]      
Schedule of Net Revenues [Line Items]      
Net revenues ¥ 352,341   ¥ 4,386,765