Consolidated Statements of Cash Flows (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash Flows From Operating Activities
Net income	$ 3,063,500	$ 1,373,679
Adjustments to reconcile net income to net cash from operating activities:
Allowance for doubtful accounts	299,798	221,346
Depreciation and amortization	1,853,310	1,948,518
Deferred income tax	(89,345)	(13,212)
Loss on disposal of fixed assets	(8,217)
Changes in Assets and Liabilities:
Account receivable	(4,438,919)	4,891,616
Bank acceptance notes from customers	7,375,687	2,609,107
Other currents assets	117,457	(1,019,272)
Inventories	(1,279,739)	(4,130,237)
Prepayments	(2,254,068)	(131,123)
Prepaid capital lease interest	131,368	43,827
Accounts payable and bank acceptance notes to vendors	(5,252,230)	(5,426,720)
Income tax payable	(109,066)
Deposits received from customers	(524,065)	1,785,251
Other current liabilities and accrued expenses	308,876	718,541
Net Cash Flows Provided By (Used In) Operating Activities	(805,653)	2,871,321
Cash Flows From Investing Activities
Acquisition of property and equipment	(966,568)	(965,846)
Proceeds of disposal of fixed assets	14,472
Net Cash Flows Used In Investing Activities	(952,096)	(965,846)
Cash Flows From Financing Activities
Proceeds from bank loans	20,196,632	21,363,325
Repayment of bank loans	(10,566,433)	(25,095,400)
Repayment of capital lease	(918,873)	(9,550,873)
Proceeds from capital lease		12,783,841
Net Cash flows Provided By (Used In) Financing Activities	8,711,326	(499,107)
Effects on changes in foreign exchange rate	629,376	562,588
Net change in cash and cash equivalents	7,582,953	1,968,957
Cash and Cash equivalents - beginning of the year	28,241,983	41,253,353
Cash and Cash equivalents - end of the period	35,824,936	43,222,310
Supplemental Cash Flow Disclosures:
Interest paid	485,756	613,129
Tax paid	$ 707,103	$ 649,625