Unaudited Condensed Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 2,469,004	$ 4,614,262
Adjustments to reconcile net income from operations to net cash provided by operating activities:
Depreciation	4,144,514	4,084,790
Amortization of land use rights	48,352	48,141
Stock-based compensation	274,400	$ 181,108
Decrease in allowance for doubtful accounts	(6,216)
Changes in operating assets and liabilities:
Notes receivable	29,446	$ 599,395
Accounts receivable	1,991,705	1,464,659
Inventories	$ (286,891)	(3,224,025)
Prepaid value-added taxes on purchases		374,452
Prepaid and other current assets	$ 10,366	(5,553)
Advances to suppliers	2,838	14,859
Accounts payable	894,079	(283,743)
Accrued expenses	(568,800)	(381,669)
VAT and service taxes payable	(266,229)	38,824
Income taxes payable	(476,587)	(1,154,225)
Advances from customers	458,219	(1,060,826)
NET CASH PROVIDED BY OPERATING ACTIVITIES	8,718,200	5,310,449
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(5,616)	(6,280,015)
NET CASH USED IN INVESTING ACTIVITIES	(5,616)	(6,280,015)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from bank loans	2,944,641	2,280,242
Repayments of bank loans	(2,781,050)	(2,280,242)
Decrease in restricted cash	327,182	325,749
Decrease in bank acceptance notes payable	$ (327,182)	(325,749)
Net proceeds from sale of common stock		1,623,691
NET CASH PROVIDED BY FINANCING ACTIVITIES	$ 163,591	1,623,691
EFFECT OF EXCHANGE RATE ON CASH AND CASH EQUIVALENTS	94,996	(2,343)
NET INCREASE IN CASH AND CASH EQUIVALENTS	8,971,171	651,782
CASH AND CASH EQUIVALENTS - beginning of period	7,835,791	1,114,873
CASH AND CASH EQUIVALENTS - end of period	16,806,962	1,766,655
Cash paid for:
Interest	113,971	117,826
Income taxes	$ 1,439,402	2,804,773
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Property and equipment acquired on credit as payable		390,060
Common stock issued for future service		$ 181,107