XML 75 R50.htm IDEA: XBRL DOCUMENT v3.23.1
Summary of Significant Accounting Policies (Details) - Schedule of revenue recognition
12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Summary of Significant Accounting Policies (Details) - Schedule of revenue recognition [Line Items]        
Total revenue ¥ 651,991,593 $ 93,615,081 ¥ 545,593,497 ¥ 290,332,933
Point in Time [Member]        
Summary of Significant Accounting Policies (Details) - Schedule of revenue recognition [Line Items]        
Total revenue 71,448,443 10,258,801 53,531,895 43,966,498
Over Time [Member]        
Summary of Significant Accounting Policies (Details) - Schedule of revenue recognition [Line Items]        
Total revenue ¥ 580,543,150 $ 83,356,280 ¥ 492,061,602 ¥ 246,366,435