CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 2,059,409	$ 5,661,000
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	706,064	865,108
Deferred income tax assets	60,515	0
Changes in operating assets and liabilities
Accounts receivable	14,225,403	10,143,930
Other receivable	2,009	(108,542)
Advances to suppliers and other current assets	(109,276)	(28,135)
Inventories	1,163,961	(837,263)
Accounts payable	(875,022)	2,457,839
Accrued expenses	(1,233,484)	(1,699,172)
Income tax payable	(1,055,393)	(2,451,649)
Advances from customers	(178,673)	(394,573)
Net cash provided by operating activities	14,765,513	13,608,543
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property, plant and equipment	(1,320,608)	(60,901)
Prepayment for other assets	(13,621)	(225,513)
Net cash used in investing activities	(1,334,229)	(286,414)
CASH FLOWS FROM FINANCING ACTIVITIES
Decreased in restricted cash	284,361	103,574
Short-term notes payable	(284,361)	(103,574)
Proceeds from short-term bank loans	3,170,879	2,486,808
Repayment of short-term bank loans	(1,139,578)	0
Net cash provided by financing activities	2,031,301	2,486,808
Effect of change in exchange rate	96,897	560,614
NET INCREASE IN CASH AND CASH EQUIVALENTS	15,559,482	16,369,551
Cash and cash equivalents, beginning of period	61,154,007	49,350,385
Cash and cash equivalents, end of period	76,713,489	65,719,936
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest	154,812	163,795
Cash paid for income taxes	1,923,258	4,381,457
SUPPLEMENTARY DISCLOSURE OF SIGNIFICANT NON-CASH TRANSACTION
Transferred from other assets to property, plant and equipment and construction in process	$ 5,158,425	$ 445,487