Accounts receivable, net (Tables)

9 Months Ended

Sep. 30, 2012

Accounts receivable, net [Abstract]

Schedule of Accounts Receivable

	September 30,		December 31,
	2012		2011
	(Unaudited)
	$		$
Accounts receivable		25,408,181		21,520,763
Less: allowance for doubtful debts		1,446,760		391,345
		23,961,421		21,129,418