CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (5,641,844)	$ (11,789,973)
Adjustments to reconcile net loss to net cash provided by operating activities:
Interest on capital lease obligation	76,940	86,214
Amortization of prepaid land leases	0	294,676
Depreciation and amortization	6,964,880	9,511,515
Unrealized exchange gain on inter-company balances	(44,427)	(345,086)
Deferred tax asset	(1,761,118)	(3,076,986)
Common stock issued for services	21,600	0
Issuance of stock options to employee	45,900	0
Changes in assets and liabilities:
Accounts receivable	(6,775,954)	25,720,587
Inventories	(457,780)	1,039,959
Prepayments and deposits	(17,037)	(61,251)
Other receivables	1,631	(11,289)
Payable and accrued expenses	321,706	(256,603)
Retention payable	0	(312,429)
Taxes payable	768,072	592,979
Operating lease	(268,620)	0
Net cash (used in) provided by operating activities	(6,766,051)	21,392,313
CASH FLOWS USED IN INVESTING ACTIVITIES
Additions of prepaid land leases	0	(693,198)
Purchase of property, plant and equipment	(11,501,738)	(10,333,721)
Net cash used in investing activities	(11,501,738)	(11,026,919)
CASH FLOWS USED IN FINANCING ACTIVITIES
Repayment of capital lease obligation	(275,506)	(294,295)
Net cash used in financing activities	(275,506)	(294,295)
EFFECTS OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(101,571)	(3,001,994)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(18,644,866)	7,069,105
CASH AND CASH EQUIVALENTS - BEGINNING OF PERIOD	178,998,935	208,906,759
CASH AND CASH EQUIVALENTS - END OF PERIOD	160,354,069	215,975,864
Cash paid during the period for:
Income taxes	0	0
Operating right-of-use assets obtained in exchange for lease obligations	8,241,818	0
SUPPLEMENTAL DISCLOSURE OF CASH NON-CASH INVESTING AND FINANCING ACTIVITIES
Purchase of Property, plant and equipment included in Payable and other accrued expense and Retention payable	28,094,696	0
Par value of common stock issued upon cashless exercise of options	$ 379	$ 0

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