CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 14,131,362	$ 22,972,449
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	3,552,740	2,393,856
Changes in fair value of warrant liabilities	0	2,103,832
Loss on dispose of properties and equipment	142,380	0
Deferred tax assets	(174,285)	0
Changes in operating assets and liabilities
Accounts receivable	11,932,885	(17,241,524)
Other receivable	1,113,111	(1,015,249)
Advances to suppliers and other current assets	(34,243)	1,494,672
Inventories	(419,708)	(334,713)
Accounts payable	(623,141)	654,334
Accrued expenses	(382,650)	(2,025,274)
Short-term notes payable	(239,119)	492,396
Income tax payable	(2,609,659)	1,652,495
Advances from customers	(411,869)	(457,945)
Net cash provided by operating activities	25,977,804	10,689,329
CASH FLOWS FROM INVESTING ACTIVITIES
Prepayment for other assets	(5,147,903)	(293,424)
Additions to property, plant and equipment	(7,791,997)	(7,697,473)
Net cash used in investing activities	(12,939,900)	(7,990,897)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from Common Stock issurance, net of related expenses	0	27,014,219
Decreased in restricted cash	208,154	(505,581)
Proceeds from short-term bank loans	4,235,865	22,480,860
Repayment of short-term bank loans	(8,433,584)	(17,966,987)
Net cash provided by (used in) financing activities	(3,989,565)	31,022,511
Effect of change in exchange rate	2,755,283	1,224,942
NET INCREASE IN CASH AND CASH EQUIVALENTS	11,803,622	34,945,885
Cash and cash equivalents, beginning of year	49,350,385	14,404,500
Cash and cash equivalents, end of year	61,154,007	49,350,385
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest	849,743	801,496
Cash paid for income taxes	7,853,661	6,885,032
SUPPLEMENTARY DISCLOSURE OF SIGNIFICANT NON-CASH TRANSACTION
Change in fair value of warrant liability	0	2,103,832
Transferred from other assets to property, plant and equipment and construction in process	$ 1,687,012	$ 3,416,096