Per inquiry to K. Rattikarn (Accounting Supervisor),the Company estimate the allowance for doubtful account 100% for 2 customers who were not trading with the Company and the Company expects to be unable to collect the debt by K. Harada sign approve for estimate the allowance for doubtful debt. For the years past, almost account receivable were Related Company, which the Company claimed that they will certainly receive money back and all of them has no financial problem. For other Non Related Company which the Company has not estimate the allowance for doubtful dept, the amount of transaction was able to collect money back and also trading continuously. Thus, there was no policy regarding the estimation of allowance for doubtful account.