Accrued Expenses and Other Payables (Details) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Accrued Expenses and Other Payables [Abstract]
Construction costs payable	$ 1,316,883	$ 1,335,483
Equipment purchase payable	7,566,645	7,440,131
Liquidated damages (note a)	1,210,119	1,210,119
Accrued staff costs	2,321,541	2,485,384
Compensation costs	107,506	109,311
Customer deposits	529,579	600,758
Other payables and accruals	2,351,325	2,346,403
Accrued expenses and other payables	$ 15,403,598	$ 15,527,589