Line of credit (Tables)

9 Months Ended

Sep. 30, 2012

Line of credit [Abstract]

Schedule of Lines of Credit

	September 30, 2012 (Unaudited)
Lender	Starting date	Maturity date	Line of credit		Unused line of credit
			$		$
Bank of China	1/13/ 2012	1/12/2013		7,954,437		241,815
Wing Lung Bank Ltd.	3/29/2012	3/28/2013		2,600,000		-
Wing Lung Bank Ltd.	4/20/2012	4/19/2013		2,708,244		-
The Shanghai Commercial & Saving bank	8/8/2012	6/7/2013		4,000,000		-
Industrial and Commercial Bank of China	7/26/2012	7/25/2013		6,363,550		2,395,876
Shenzhen Development Bank Co., Ltd	12/12/2011	11/27/2012		15,908,874		4,672,436
China Everbright Bank	8/1/2012	7/31/2013		7,954,437		6,999,905
China Resources Bank Of Zhuhai	4/28/2012	4/28/2013		6,363,550		5,568,106
Total				53,853,092		19,878,138

	December 31, 2011
Lender	Starting date	Maturity date	Line of credit		Unused line of credit
			$		$
Industrial and Commercial Bank of China	11/29/2011	8/31/2013		6,343,568		4,898,820
Shenzhen Development Bank Co., Ltd	12/12/2011	11/27/2012		15,858,919		10,768,206
Standard Chartered (China) Co., Ltd.	1/21/2011	3/30/2012		2,000,000		2,000,000
China Everbright Bank	6/9/2011	6/9/2012		7,929,460		3,103,590
Standard Chartered (Hong Kong) Co., Ltd.	1/21/2011	1/21/2012		13,000,000		10,120,000
Citibank (Hong Kong) Co., Ltd.	1/31/2011	1/31/2012		3,000,000		3,000,000
Industrial and Commercial Bank of China	11/29/2011	9/8/2012		3,171,784		-
Wing Lung Bank Ltd.	8/29/2011	3/20/2012		2,600,000		-
Wing Lung Bank Ltd.	8/29/2011	3/20/2012		2,574,665		-
Total				56,478,396		33,890,616