CONSOLIDATED BALANCE SHEETS (USD $)	Dec. 31, 2012	Dec. 31, 2011
CURRENT ASSETS
Cash and cash equivalents	$ 144,300,290	$ 105,637,627
Accounts receivable, net	45,284,923	31,082,460
Prepayments for raw material purchases	19,569,239	21,882,977
Other receivables, deposits and prepayments	559,955	1,882,864
Prepaid land use rights - current portion	406,026	405,034
Deferred income tax assets	24,948	200,588
Inventories	17,844,405	15,502,246
Total current assets	227,989,786	176,593,796
OTHER ASSETS
Property, plant and equipment, net	47,197,115	20,565,875
Construction in progress	175,006	18,794,910
Deposits for plant and equipment	0	3,428,082
Prepaid land use right long - term portion	18,546,658	18,906,280
Intangible assets	3,332	170
Total non-current assets	65,922,111	61,695,317
Total assets	293,911,897	238,289,113
CURRENT LIABILITIES
Accounts payable	3,891,110	6,066,261
Other payables and accruals	4,937,404	6,370,833
Income taxes payable	5,797,188	4,607,533
Dividend payable	0	992,846
Warrant liabilities	354,000	615,000
Total current liabilities	14,979,702	18,652,473
Total liabilities	14,979,702	18,652,473
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 December 31, 2012 (2011: 30,036,481 shares issued and 29,772,434 shares outstanding), respectively	3,008	3,003
Additional paid-in capital	79,257,921	78,564,128
Treasury stock, at cost, 264,047 shares and 264,047 as of December 31, 2012 and 2011, respectively	(2,126,597)	(2,126,597)
Statutory reserves	14,566,846	10,418,476
Retained earnings	170,163,120	116,369,487
Accumulated other comprehensive income	17,067,897	16,408,143
Total stockholders' equity	278,932,195	219,636,640
Total liabilities and stockholders' equity	$ 293,911,897	$ 238,289,113