Pre- Shipment inspection PSI is a part of supply chain management and an important quality control method for checking the quality of goods clients buy from supplies.Pre- Shipment inspection PSI is a part of supply chain management and an important quality control method for checking the quality of goods clients buy from supplies.Psi ensures that production complies with specification of the buyers and the terms of purchase order or letter of credit. (L/C)Pre- shipment inspection can diminish risk inherent to commerce like phishing and fraud.The psi can be agreed upon between a buyer, a supplies and a bank and it can be used to initiate payment for letter of credit.A pre- shipment inspection can be performed at different stages before shipment, such as checking the total amount of goods and packing controlling the quality or consistency of goods, checking of all documentation as for example test reports, packing list or verification of compliance (VOC) with standard of the destination country and release certificate of Inspection. (COI)