CONSOLIDATED BALANCE SHEETS (USD $)	Mar. 31, 2013	Dec. 31, 2012
CURRENT ASSETS
Cash and cash equivalents	$ 168,932,279	$ 144,300,290
Accounts receivable, net	42,024,583	45,284,923
Prepayments for raw material purchases	14,255,297	19,569,239
Other receivables, deposits and prepayments	193,302	559,955
Prepaid land use right - current portion	407,101	406,026
Deferred income tax assets	24,919	24,948
Inventories	21,531,298	17,844,405
Total current assets	247,368,779	227,989,786
OTHER ASSETS
Property, plant and equipment, net	46,419,651	47,197,115
Construction in progress	614,143	175,006
Prepaid land use right - long-term portion	18,494,015	18,546,658
Intangible assets	2,863	3,332
Total non-current assets	65,530,672	65,922,111
Total assets	312,899,451	293,911,897
CURRENT LIABILITIES
Accounts payable	9,573,476	3,891,110
Other payables and accruals	5,017,519	4,937,404
Income taxes payable	4,759,903	5,797,188
Warrant liabilities	462,000	354,000
Total current liabilities	19,812,898	14,979,702
Total liabilities	19,812,898	14,979,702
STOCKHOLDERS' EQUITY
Preferred stock: $0.0001 par value, 10,000,000 shares authorized, none issued and outstanding	0	0
Common stock, $0.0001 par value: 75,000,000 shares authorized, 30,084,883 shares issued and 29,820,836 shares outstanding as of March 31, 2013 (December 31, 2012: 30,084,883 shares issued and 29,820,836 shares outstanding), respectively	3,008	3,008
Additional paid-in capital	79,339,385	79,257,921
Treasury stock, at cost, 264,047 shares and 264,047 as of March 31, 2013 and December 31, 2012, respectively	(2,126,597)	(2,126,597)
Statutory reserves	15,540,605	14,566,846
Retained earnings	182,500,548	170,163,120
Accumulated other comprehensive income	17,829,604	17,067,897
Total stockholders' equity	293,086,553	278,932,195
Total liabilities and stockholders' equity	$ 312,899,451	$ 293,911,897