Accounts receivable, net

6 Months Ended

Jun. 30, 2013

Accounts receivable, net [Abstract]

Accounts receivable, net

3. Accounts receivable, net

As of June 30, 2013 and December 31, 2012, accounts receivable consisted of the following:

	June 30,		December 31,
	2013		2012
	(Unaudited)
	$		$
Accounts receivable		27,581,588		27,353,677
Less: allowance for doubtful debts		2,025,430		2,029,778
		25,556,158		25,323,899

The Company reversed bad debt expense of $3,965 during the six months ended June 30, 2013 and experienced bad debt expense of nil and $282,127 during the six months ended June 30, 2013 and 2012, respectively.

The Company wrote off accounts receivable of $1,348 and $91,295, respectively, in the six months ended June 30, 2013 and 2012.

The account receivable attributable to SZ Springpower, with a carrying amount of $10,497,137, was pledged as collateral for bank loans as of June 30, 2013.