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Refundable Deposits from Customers for Systems Leasing (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Pucheng and Shengqiu [Member]    
Refundable Deposit from Customers for Systems Leasing (Textual)    
Balance of refundable deposits from customers $ 1,034,503 $ 1,086,591