Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
NET INCOME	$ 8,185,577	$ 4,198,580
Adjustments to reconcile net income from operations to net cash provided by operating activities:
Depreciation	6,704,386	6,519,394
Amortization of land use rights	95,491	93,537
Increase (decrease) in inventory reserve	41,381	(37,882)
Decrease in allowance for doubtful accounts	(628,188)	(46,672)
Loss on impairment of equipment held for operating lease	2,573,256	2,206,253
Loss on disposal of fixed assets	11,391
Warrant modification expense		235,133
Stock-based compensation expense	423,112	167,714
Changes in operating assets and liabilities:
Notes receivable	(604,798)	(34,178)
Accounts receivable	(4,126,440)	(2,887,716)
Inventories	1,303,519	(1,549,740)
Prepaid value-added taxes on purchases	70,059	981,236
Prepaid and other current assets	91,666	(43,513)
Advances to suppliers	(81,120)	(371,849)
Accounts payable	(1,809,914)	438,945
Accrued expenses	(112,797)	209,831
VAT and service taxes payable	(86,004)	206,405
Income taxes payable	(129,378)	(326,373)
Advances from customers	(452,658)	675,667
NET CASH PROVIDED BY OPERATING ACTIVITIES	11,468,541	10,634,772
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(14,633,745)	(10,744,247)
NET CASH USED IN INVESTING ACTIVITIES	(14,633,745)	(10,744,247)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on capital lease	(391,963)	(246,485)
Proceeds from bank loans	5,653,824	3,481,101
Repayments of bank loans	(4,846,135)	(3,639,333)
(Increase) decrease in restricted cash	(678,459)	316,464
Increase (decrease) in bank acceptance notes payable	678,459	(316,464)
Net proceeds from sale of common stock	2,388,589
Proceeds from sale of common stock - related parties		612,903
Proceeds from exercise of warrants		198,142
NET CASH PROVIDED BY FINANCING ACTIVITIES	2,804,315	406,328
EFFECT OF EXCHANGE RATE ON CASH AND CASH EQUIVALENTS	30,034	(3,732)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(330,855)	293,121
CASH AND CASH EQUIVALENTS - beginning of year	1,445,728	1,152,607
CASH AND CASH EQUIVALENTS - end of year	1,114,873	1,445,728
Cash paid for:
Interest	300,381	305,659
Income taxes	3,129,174	2,027,976
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Property and equipment acquired on credit as payable	1,121,719
Series A preferred converted to common shares		13,198
Common stock issued for future service		$ 281,265