Because of the aging factors about production and shipment, this lot of material or products, which have to be used, can be accept as concession if it will not impact the function. The raw materials are applied by merchandiser, and the finished products are applied by needed department, the audit will be confirmed according to related rights and limits of audit. If the defect is confirmed resulted from the bad raw material, deductions from accounts can be appended via assessment. If it is identify by our staff and supplier will be informed to pay the labor cost.