CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 4,586,528	$ 7,289,347
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	1,434,420	1,748,456
Deferred income tax assets	41,656
Changes in operating assets and liabilities
Accounts receivable	20,855,020	24,269,825
Other receivable	(38,559)	(302,428)
Advances to suppliers and other current assets	(83,436)	(38,099)
Inventories	945,181	38,114
Accounts payable	62,809	704,376
Accrued expenses	(1,545,105)	(1,994,692)
Income tax payable	(1,025,682)	(3,666,772)
Advances from customers	(178,673)	(508,717)
Net cash provided by operating activities	25,054,159	27,539,410
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property, plant and equipment	(1,249,417)	(134,415)
Additions to land use right	(1,206,012)
Prepayment for other assets	(936,644)	(4,714,425)
Net cash used in investing activities	(3,392,073)	(4,848,840)
CASH FLOWS FROM FINANCING ACTIVITIES
Decreased in restricted cash	284,361	(273,047)
Short-term notes payable	(284,361)	273,047
Proceeds from short-term bank loans	6,341,757	7,585,239
Repayment of short-term bank loans	(1,139,578)	(5,082,262)
Net cash provided by financing activities	5,202,179	2,502,977
Effect of change in exchange rate	(305,401)	1,602,342
NET INCREASE IN CASH AND CASH EQUIVALENTS	26,558,864	26,795,889
Cash and cash equivalents, beginning of period	61,154,007	49,350,385
Cash and cash equivalents, end of period	87,712,871	76,146,274
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest	403,145	340,188
Cash paid for income taxes	2,776,698	6,360,158
SUPPLEMENTARY DISCLOSURE OF SIGNIFICANT NON-CASH TRANSACTION
Transferred from other assets to property, plant and equipment and construction in process	$ 5,225,307	$ 445,384