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Property, Plant and Equipment, Net (Details)
12 Months Ended
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2022
CNY (¥)
Dec. 31, 2024
USD ($)
Property, Plant and Equipment, Net [Line Items]        
Depreciation expenses ¥ 8,669,931 ¥ 3,436,716 ¥ 3,353,055  
Property, plant and equipment, net 197,341,915 169,653,582   $ 27,452,829
Collateral Pledged [Member]        
Property, Plant and Equipment, Net [Line Items]        
Property, plant and equipment, net ¥ 188,432,414