Consolidated Satatements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 5,760,543	$ 11,074,332
Adjustments to reconcile net income from operations to net cash provided by operating activities:
Depreciation	5,351,359	3,192,662
Amortization of debt discount to interest expense	0	44,993
Amortization of land use rights	91,316	87,204
Increase in allowance for doubtful accounts	720,302	1,006,162
Stock-based compensation expense	355,856	546,963
Changes in assets and liabilities:
Notes receivable	(848)	282,986
Accounts receivable	694,014	(2,913,257)
Inventories	(761,072)	(1,036,591)
Prepaid value-added taxes on purchases	1,331,923	(2,309,987)
Prepaid and other current assets	(64,667)	159,152
Advances to suppliers	125,396	128,693
Accounts payable	(3,425,206)	4,040,484
Accrued expenses	224,493	(48,312)
VAT and service taxes payable	(83,358)	54,102
Income taxes payable	(777,914)	271,619
Advances from customers	906,282	85,695
NET CASH PROVIDED BY OPERATING ACTIVITIES	10,448,419	14,666,900
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(11,115,640)	(19,406,064)
NET CASH USED IN INVESTING ACTIVITIES	(11,115,640)	(19,406,064)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on capital lease	(156,918)	0
Proceeds from loans payable	4,325,320	1,770,238
Repayment of loans payable	(3,861,893)	(2,100,238)
Increase in restricted cash	(308,951)	0
Increase in bank acceptance notes payable	308,951	0
Proceeds from sale of common stock	125,000	380,000
Proceeds from exercise of warrants	400,000	3,320,000
NET CASH PROVIDED BY FINANCING ACTIVITIES	831,509	3,370,000
EFFECT OF EXCHANGE RATE ON CASH AND CASH EQUIVALENTS	41,142	37,703
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	205,430	(1,331,461)
CASH AND CASH EQUIVALENTS - beginning of year	947,177	2,278,638
CASH AND CASH EQUIVALENTS - end of year	1,152,607	947,177
Cash paid for:
Interest	193,709	104,578
Income taxes	3,118,384	4,054,257
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Capital leased property in exchange for capital lease obligations	772,379	0
Increase in property in exchange for increase in payable	516,531	0
Series A preferred converted to common shares	5,916	5,469
Common stock issued for future service	$ 7,833	$ 2,469