Condensed Consolidated Balance Sheets (USD $)	Sep. 30, 2014	Dec. 31, 2013
CURRENT ASSETS:
Cash and cash equivalents	$ 1,707,306	$ 1,114,873
Restricted cash	438,782	687,353
Notes receivable	237,917	703,718
Accounts receivable, net of allowance for doubtful accounts	14,399,885	15,234,863
Inventories, net of reserve for obsolete inventories	7,655,946	4,733,558
Advances to suppliers	577,318	695,254
Prepaid VAT on purchases	229,513	489,302
Deferred tax assets - current portion	244,568	253,173
Prepaid expenses and other	161,767	74,030
Total Current Assets	25,653,002	23,986,124
PROPERTY AND EQUIPMENT, net	75,329,154	70,595,138
OTHER ASSETS:
Deferred tax assets - net of current portion	1,213,675	1,222,216
Equipment held for operating lease, net	4,382,777	4,751,206
Land use rights, net	3,687,544	3,786,051
Total Assets	110,266,152	104,340,735
CURRENT LIABILITIES:
Short-term bank loans	3,087,724	3,109,453
Bank acceptance notes payable	438,782	687,353
Accounts payable	4,933,495	4,961,555
Accrued expenses	679,609	899,816
Advances from customers	230,334	1,455,740
VAT and service taxes payable	125,854	126,349
Income taxes payable	639,406	1,623,603
Total Current Liabilities	10,135,204	12,863,869
Total Liabilities	10,135,204	12,863,869
STOCKHOLDERS' EQUITY:
Preferred stock ($0.001 par value; 10,000,000 shares authorized; 0 share issued and outstanding at September 30, 2014 and December 31, 2013)
Common stock ($0.001 par value; 50,000,000 shares authorized; 3,859,986 and 3,503,502 shares issued and outstanding at September 30, 2014 and December 31, 2013, respectively)	3,860	3,503
Additional paid-in capital	33,517,857	31,532,308
Retained earnings	52,874,014	46,322,329
Statutory reserve	3,507,038	2,744,720
Accumulated other comprehensive income - foreign currency translation adjustment	10,228,179	10,874,006
Total Stockholders' Equity	100,130,948	91,476,866
Total Liabilities and Stockholders' Equity	$ 110,266,152	$ 104,340,735