Prepaid Land Use Rights, Net (Tables)

3 Months Ended

Mar. 31, 2019

Prepaid Land Use Rights, net [Abstract]

Schedule of prepaid land use rights

	December 31,			March 31,
	2018			2019
Prepaid land use rights	$	8,167,587		$	8,370,776
Accumulated amortization		(721,470	)		(781,272	)
	$	7,446,117		$	7,589,504
Less: Classified as current assets		(163,352	)		(167,416	)
	$	7,282,765		$	7,422,088