Property, plant and equipment, net (Tables)

6 Months Ended

Jun. 30, 2013

Property, plant and equipment, net [Abstract]

Schedule of Plant and Equipment, Net

	June 30,		December 31,
	2013		2012
	(Unaudited)
	$		$
Cost
Construction in progress		23,105,557		20,769,452
Furniture, fixtures and office equipment		3,132,082		3,066,411
Leasehold improvement		812,550		99,477
Machinery and equipment		17,061,481		15,807,695
Motor vehicles		1,370,476		1,316,717
Building		819,346		271,921
		46,301,492		41,331,673
Less: accumulated depreciation		8,835,234		7,869,304
		37,466,258		33,462,369