v3.26.3
Intangible Assets, Net - Schedule of Intangible Asset, Net (Details)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
CNY (¥)
Dec. 31, 2025
CNY (¥)
Schedule of Intangible Assets, Net [Line Items]      
Less: Accumulated amortization   ¥ (4,360,395) ¥ (3,867,473)
Intangible assets, net $ 6,646,211 45,266,678 45,759,600
Land use right [Member]      
Schedule of Intangible Assets, Net [Line Items]      
Intangible asset, gross   49,292,208 49,292,208
Franchise right [Member]      
Schedule of Intangible Assets, Net [Line Items]      
Intangible asset, gross   ¥ 334,865 ¥ 334,865