CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 40,406,145	$ 28,610,555
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	1,583,729	1,599,171
Loss on disposal of fixed assets		123,513
Share-based compensation to employees and directors	379,278	321,330
Gain on extinguishment of warrant liabilities	(87,255)	(135,369)
Change in fair value of warrants	(3,183,252)	(2,105,835)
Deferred income tax benefits	79,515	58,268
(Increase) decrease in assets:
Accounts receivable	8,490,664	(17,711,584)
Bills receivable	538,761
Prepayments for raw material purchases	(24,627,478)
Other receivables and prepayments	(438,156)	358,042
Inventories	(2,335,047)	1,818,980
Increase (decrease) in liabilities:
Accounts payable	2,181,287	11,013,062
Other payables and accruals	(900,961)	1,055,929
Income taxes payable	(659,145)	2,251,484
Net cash provided by operating activities	21,428,085	27,257,546
CASH FLOWS FROM INVESTING ACTIVITIES
Payment of deposit for land use right		(4,407,293)
Purchase of property, plant and equipment	(795,554)	(1,301,573)
Addition to construction in progress	(13,133,784)
Net cash used in investing activities	(13,929,338)	(5,708,866)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from public offering of common stock, net of expenses of $2,430,489		32,069,517
Release of restricted cash related to private placement		575,000
Repurchase of common stock	(2,126,597)
Proceeds from exercise of warrants	1,898,049	2,450,000
Net cash (used in) provided by financing activities	(228,548)	35,094,517
Foreign currency translation adjustment	4,075,010	1,701,651
INCREASE IN CASH AND CASH EQUIVALENTS	11,345,209	58,344,848
CASH AND CASH EQUIVALENTS, at the beginning of the period	90,609,340	34,614,838
CASH AND CASH EQUIVALENTS, at the end of the period	101,954,549	92,959,686
NON-CASH INVESTING AND FINANCING TRANSACTIONS:
Share-based compensation to employees and directors	379,278	321,330
Issue of common stock to settle warrant liabilities, net of cash received	4,895,934	4,766,160
SUPPLEMENTAL DISCLOSURE INFORMATION
Cash paid for interest	109,174	99,548
Cash paid for income taxes	$ 13,394,574	$ 7,347,339