Consolidated Statements of Cash Flows (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 2,396,358	$ 1,622,600
Adjustments to reconcile net income from operations to net cash provided by operating activities:
Depreciation	1,965,274	1,569,551
Amortization of land use rights	24,165	23,511
Changes in operating assets and liabilities:
Notes receivable	626,267	(133,241)
Accounts receivable	1,438,666	663,513
Inventories	(1,423,313)	(723,549)
Prepaid value-added taxes on purchases	369,574	(101,245)
Prepaid and other current assets	(13,343)	11,776
Advances to suppliers	78,486	(744,915)
Accounts payable	(598,233)	(204,399)
Accrued expenses	(427,424)	(532,717)
VAT and service taxes payable	(52,228)	(111,027)
Income taxes payable	(294,175)	(192,720)
Advances from customers	(321,360)	549,929
NET CASH PROVIDED BY OPERATING ACTIVITIES	3,768,714	1,697,067
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(2,868,611)	(2,708,871)
NET CASH USED IN INVESTING ACTIVITIES	(2,868,611)	(2,708,871)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on capital lease		(85,364)
Proceeds from bank loans	981,098	1,749,971
Repayments of bank loans	(981,098)	(954,529)
Decrease (increase) in restricted cash	277,978	(954,529)
(Decrease) increase in bank acceptance notes payable	(277,978)	954,529
NET CASH PROVIDED BY FINANCING ACTIVITIES		710,078
EFFECT OF EXCHANGE RATE ON CASH AND CASH EQUIVALENTS	(13,870)	7,416
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	886,233	(294,310)
CASH AND CASH EQUIVALENTS - beginning of period	1,114,873	1,445,728
CASH AND CASH EQUIVALENTS - end of period	2,001,106	1,151,418
Cash paid for:
Interest	57,727	105,127
Income taxes	1,153,173	779,280
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Property and equipment acquired on credit as payable	$ 267,324	$ 20,681