Consolidated Balance Sheets (USD $)	Sep. 30, 2013	Dec. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 2,223,017	$ 1,445,728
Restricted cash	796,567
Notes receivable	485,793	88,029
Accounts receivable, net of allowance for doubtful accounts	11,545,834	10,078,623
Inventories, net of reserve for obsolete inventory	6,216,215	5,897,555
Advances to suppliers	1,303,911	593,104
Prepaid VAT on purchases	830,361	542,032
Prepaid expenses and other	227,651	428,326
Total Current Assets	23,629,349	19,073,397
PROPERTY AND EQUIPMENT - net	66,699,091	59,436,100
OTHER ASSETS:
Deferred tax asset	566,666	551,890
Equipment held for sale	7,309,150	7,118,555
Land use rights, net	3,784,841	3,756,342
Total Assets	101,989,097	89,936,284
CURRENT LIABILITIES:
Short-term bank loans	3,088,728	2,216,558
Bank acceptance notes payable	796,567
Accounts payable	5,494,461	5,474,479
Accrued expenses	552,758	986,824
Capital lease obligation - current portion		251,413
Advances from customers	2,210,102	1,851,987
VAT and service taxes payable		206,527
Income taxes payable	1,069,434	822,082
Total Current Liabilities	13,212,050	11,809,870
OTHER LIABILITIES:
Capital lease obligation - net of current portion		132,756
Total Liabilities	13,212,050	11,942,626
STOCKHOLDERS' EQUITY:
Preferred stock ($0.001 par value; 10,000,000 shares authorized; 0 share issued and outstanding at September 30, 2013 and December 31, 2012, respectively
Common stock ($0.001 par value; 50,000,000 shares authorized; 3,503,502 and 2,894,586 shares issued and outstanding at September 30, 2013 and December 31, 2012, respectively	3,503	2,894
Additional paid-in capital	31,532,308	28,987,128
Retained earnings	44,200,317	38,401,734
Statutory reserve	2,757,044	2,479,738
Accumulated other comprehensive gain - foreign currency translation adjustment	10,283,875	8,122,164
Total Stockholders' Equity	88,777,047	77,993,658
Total Liabilities and Stockholders' Equity	$ 101,989,097	$ 89,936,284