XML 72 R54.htm IDEA: XBRL DOCUMENT v3.25.1
Summary of Significant Accounting Policies - Schedule of Net Revenues (Details)
12 Months Ended
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2022
CNY (¥)
Schedule of Net Revenues [Line Items]        
Net revenues ¥ 40,595,916 $ 5,647,420 ¥ 78,335,376 ¥ 983,168,898
Product sales revenue [Member]        
Schedule of Net Revenues [Line Items]        
Net revenues 34,096,450   71,321,462 920,653,911
Service revenue [Member]        
Schedule of Net Revenues [Line Items]        
Net revenues ¥ 6,499,466   ¥ 7,013,914 ¥ 62,514,987