CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 4,941,050	$ 4,586,528
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	1,510,091	1,434,420
Deferred income tax	(149,215)	41,656
Changes in operating assets and liabilities
Accounts receivable	36,671,171	20,855,020
Other receivable	(470,281)	(38,559)
Advances to suppliers and other current assets	(10,174)	(83,436)
Inventories	841,381	945,181
Accounts payable	(9,913,912)	62,809
Accrued expenses	(270,092)	(1,545,105)
Income tax payable	(2,919,124)	(1,025,682)
Advances from customers	(414,816)	(178,673)
Net cash provided by operating activities	29,816,079	25,054,159
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property, plant and equipment	485,142	1,249,417
Prepayment for other assets	38,000,669	2,142,656
Net cash used in investing activities	(38,485,811)	(3,392,073)
CASH FLOWS FROM FINANCING ACTIVITIES
Increased in restricted cash		(284,361)
Short-term notes payable		(284,361)
Proceeds from related party loan	8,000,000
Proceeds from short-term bank loans	8,653,944	6,341,757
Repayment of short-term bank loans	6,555,123	(1,139,578)
Net cash provided by financing activities	10,098,821	5,202,179
Effect of change in exchange rate	1,323,994	(305,401)
NET INCREASE IN CASH AND CASH EQUIVALENTS	2,753,083	26,558,864
Cash and cash equivalents, beginning of period	77,560,278	61,154,007
Cash and cash equivalents, end of period	80,313,361	87,712,871
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest	496,209	403,145
Cash paid for income taxes	4,874,958	2,776,698
SUPPLEMENTARY DISCLOSURE OF SIGNIFICANT NON-CASH TRANSACTION
Transferred from other assets to property, plant and equipment and construction in process	$ 317,258	$ 5,225,307