v3.25.1
Property, Plant and Equipment, Net - Schedule of Property and Equipment, Net (Details)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Schedule of Property and Equipment, Net [Line Items]      
Property and equipment, gross ¥ 1,509,339,910 $ 206,778,720 ¥ 1,636,029,164
Less:      
Accumulated depreciation (862,489,629) (118,160,595) (841,035,233)
Construction in progress 2,677,929 366,875 19,955,095
Property, plant and equipment, net 649,528,210 88,985,000 814,949,026
Land [Member]      
Schedule of Property and Equipment, Net [Line Items]      
Property and equipment, gross 40,972,933 5,613,269
Buildings and plants [Member]      
Schedule of Property and Equipment, Net [Line Items]      
Property and equipment, gross 562,423,983 77,051,770 685,779,415
Leasehold improvements [Member]      
Schedule of Property and Equipment, Net [Line Items]      
Property and equipment, gross 651,694,871 89,281,831 654,857,745
Furniture, fixtures and equipment [Member]      
Schedule of Property and Equipment, Net [Line Items]      
Property and equipment, gross 244,771,734 33,533,590 286,033,440
Motor vehicles [Member]      
Schedule of Property and Equipment, Net [Line Items]      
Property and equipment, gross ¥ 9,476,389 $ 1,298,260 ¥ 9,358,564