CONDENSED CONSOLIDATEDBALANCE SHEETS (USD $)	Mar. 31, 2012	Dec. 31, 2011
CURRENT ASSETS
Cash and cash equivalents	$ 107,994,088	$ 105,637,627
Accounts receivable, net	28,279,542	31,082,460
Prepayments for raw material purchases	27,939,318	21,882,977
Other receivables, deposits and prepayments	1,003,611	1,882,864
Prepaid land use right - current portion	405,458	405,034
Deferred income tax assets	21,002	200,588
Inventories	17,579,376	15,502,246
Total current assets	183,222,395	176,593,796
OTHER ASSETS
Property, plant and equipment, net	20,177,224	20,565,875
Construction in progress	24,148,099	18,794,910
Deposits for plant and equipment		3,428,082
Prepaid land use right - long-term portion	18,824,760	18,906,280
Intangible assets		170
Total non-current assets	63,150,083	61,695,317
Total assets	246,372,478	238,289,113
CURRENT LIABILITIES
Accounts payable	5,181,514	6,066,261
Other payables and accruals	4,145,588	6,370,833
Income taxes payable	4,144,320	4,607,533
Dividend payable	496,423	992,846
Warrant liabilities	660,000	615,000
Total current liabilities	14,627,845	18,652,473
Total liabilities	14,627,845	18,652,473
STOCKHOLDERS' EQUITY
Preferred stock: $0.0001 par value, 10,000,000 shares authorized, none issued and outstanding
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, 2012 (December 31, 2011: 30,036,481 shares issued and 29,772,434 shares outstanding)	3,008	3,003
Additional paid-in capital	78,988,702	78,564,128
Treasury stock, at cost, 264,047 and 264,047 shares as of March 31, 2012 and December 31, 2011, respectively	(2,126,597)	(2,126,597)
Statutory reserves	11,217,579	10,418,476
Retained earnings	127,045,396	116,369,487
Accumulated other comprehensive income	16,616,545	16,408,143
Total stockholders' equity	231,744,633	219,636,640
Total liabilities and stockholders' equity	$ 246,372,478	$ 238,289,113