CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (2,502,124)	$ (3,539,758)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Interest on capital lease obligation	35,538	35,272
Depreciation and amortization	4,104,357	3,454,891
Unrealized exchange (gain) loss on translation of inter-company balances	104,812	(400,449)
Deferred tax asset	(743,709)	(1,256,443)
Common stock issued for services	0	0
Changes in assets and liabilities:
Accounts receivable	1,637,800	4,245,576
Inventories	(162,099)	523
Prepayments and deposits	(71,888)	54,350
Other receivables	0	0
Accounts and other payable and accrued expenses	830,751	(41,562)
Retention payable	0	0
Taxes payable	72,758	(18,999)
Prepaid land leases	0	(369,066)
Operating leases	35,199	38,022
Net cash provided by operating activities	3,341,395	2,202,357
CASH FLOWS USED IN INVESTING ACTIVITIES
Purchase of property, plant and equipment	0	(7,416,211)
Net cash used in investing activities	0	(7,416,211)
EFFECTS OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(864,609)	(1,455,442)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	2,476,786	(6,669,296)
CASH AND CASH EQUIVALENTS - BEGINNING OF PERIOD	94,222,538	100,301,986
CASH AND CASH EQUIVALENTS - END OF PERIOD	96,699,324	93,632,690
Cash paid during the period for:
Income taxes	0	0
Operating right-of-use assets obtained in exchange for lease obligations	0	0
SUPPLEMENTAL DISCLOSURE OF CASH NON-CASH INVESTING AND FINANCING ACTIVITIES
Increase in Property, plant and equipment transferred from Prepayment and deposits and included in Accounts and other payable and accrued expenses	$ 6,199,214	$ 0