CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 64,837,968	$ 55,783,921
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	4,550,598	4,326,425
Amortization	1,027,650	2,293,839
(Gain)/ loss on sale of property, plant and equipment	(138,450)	371,544
Allowance for doubtful accounts, net	0	21,876
Provision for doubtful accounts - other receivables and prepayments	37,453	94,567
Deferred tax expense/ (benefit)	428,037	(515,960)
Share-based compensation	4,076,817	3,074,132
Change in fair value of derivative liabilities	0	(1,769,140)
Equity in income of an equity method investee	(1,382,524)	(2,219,279)
Change in operating assets and liabilities:
Accounts receivable	(10,758,305)	1,872,418
Prepayment and other current assets	(720,340)	(468,800)
Inventories	(5,872,632)	3,507,968
Accounts payable	1,254,404	(1,103,617)
Other payables and accrued expenses	1,088,481	(398,905)
Advance from customers	(823,499)	(939,904)
Due to related parties	16,539	337,536
Income tax payable	837,760	517,440
Net cash provided by operating activities	58,459,957	64,786,061
CASH FLOWS FROM INVESTING ACTIVITIES:
Payment for property, plant and equipment	(17,076,459)	(7,436,719)
Payment for intangible assets and land use rights	(1,141,197)	(796,707)
Dividend received	560,980	1,109,115
Purchase of short-term investment	0	(2,731,300)
Proceeds from sale of property, plant and equipment	175,808	0
Payment related to land use right	0	(13,220,568)
Net cash used in investing activities	(17,480,868)	(23,076,179)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from stock option exercised	3,035,011	120,000
Proceeds from warrants exercised	0	4,500,000
Proceeds from short term bank loans	4,808,400	11,076,100
Repayment of short term bank loans	(8,014,000)	(11,106,200)
Proceeds from long term bank loans	30,000,000	0
Payment for deposit as security for long-term bank loans	(30,000,000)	0
Payment for share repurchase	(29,594,080)	0
Acquisition of noncontrolling interest	(1,963,913)	0
Dividend paid by subsidiaries to noncontrolling interest shareholders	(10,896,678)	(4,379,016)
Net cash (used in) /provided by financing activities	(42,625,260)	210,884
EFFECTS OF FOREIGN EXCHANGE RATE CHANGE ON CASH	3,533,528	390,585
NET INCREASE IN CASH AND CASH EQUIVALENTS	1,887,357	42,311,351
Cash and cash equivalents at beginning of period	129,609,317	89,411,835
Cash and cash equivalents at end of period	131,496,674	131,723,186
Supplemental cash flow information
Cash paid for income taxes	11,957,795	9,988,536
Cash paid for interest expense	273,095	296,901
Noncash investing and financing activities:
Acquisition of property, plant and equipment included in payables	1,502,623	0
Exercise of warrants that were liability classified	$ 0	$ 3,641,279