ACCOUNTS RECEIVABLE

12 Months Ended

Dec. 31, 2012

ACCOUNTS RECEIVABLE [Abstract]

ACCOUNTS RECEIVABLE

4. ACCOUNTS RECEIVABLE

The Group performs ongoing credit evaluations of its customers' financial conditions. The Group generally encourages its customers to use its products and settle the outstanding balance within credit terms. As of December 31, 2012 and 2011, the provision on accumulated allowance for doubtful accounts was $125,993 and $124,715 respectively.