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Prepayment for Construction of Properties (Details)
¥ in Millions
12 Months Ended
Dec. 31, 2018
USD ($)
Dec. 31, 2018
CNY (¥)
Dec. 31, 2020
USD ($)
Prepayment for Construction of Properties [Abstract]      
Prepayments to subcontractor $ 3,661,800 ¥ 25.5  
Remaining balance     $ 1,073,100