CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 42,925,892	$ 42,148,316
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	3,200,871	2,374,465
Share-based compensation	249,717	313,309
Gain on extinguishment of warrant liabilities	(3,520)	(73,291)
Change in fair value of warrants	65,000	23,000
Deferred income tax benefits	(3,085)	175,444
(Increase) decrease in assets:
Accounts receivable	(2,659,054)	(11,538,283)
Prepayments for raw material purchases	(151,700)	4,866,964
Other receivables, deposits and prepayments	(177,948)	823,965
Inventories	(5,349,111)	(6,784,994)
Increase (decrease) in liabilities:
Accounts payable	8,171,198	1,162,203
Other payables and accruals	(381,549)	224,537
Income taxes payable	(1,204,446)	1,319,696
Net cash provided by operating activities	44,682,265	35,035,331
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment	(3,913,886)	(2,357,375)
Deposits for plant and equipment and construction in progress	(428,765)	(5,942,533)
Net cash used in investing activities	(4,342,651)	(8,299,908)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividend paid	0	(992,846)
Net cash used in financing activities	0	(992,846)
Foreign currency translation adjustment	3,626,446	(895,003)
INCREASE IN CASH AND CASH EQUIVALENTS	43,966,060	24,847,574
CASH AND CASH EQUIVALENTS, at the beginning of the period	144,300,290	105,637,627
CASH AND CASH EQUIVALENTS, at the end of the period	188,266,350	130,485,201
MAJOR NON-CASH TRANSACTION:
Share-based compensation to employees and directors	249,717	313,309
Issuance of common stock to settle warrant liabilities	60,480	311,709
SUPPLEMENTAL DISCLOSURE INFORMATION
Cash paid for income taxes	$ 16,169,361	$ 13,490,647