1. The warehouse shall submit the requisition in duplicate, one for filing. 2. Send the original requisition to the purchasing department. 3. The purchasing department issues an inquiry sheet, distributes it to all relevant suppliers, and checks the copy together with the purchase requisition. 4. All possible suppliers return quotations, which are combined with the inquiry form and sent to the purchasing department. 5. Organize and summarize the quotations provided by suppliers after the quotation deadline, and the purchasing department will analyze and review the purchase requisition, inquiry and quotation. 6. Select suppliers and issue purchase orders. 7. Records of purchase requisition, inquiry and quotation. 8. Distribute the order to suppliers and financial departments, and send a copy to the warehouse for future reference. 9. The purchasing department will save the purchase order. 10. The finance department prepares payment and records according to the purchase order. 1 1. The supplier shall prepare two delivery notes and deliver them together with the goods. 12. The warehouse will check the purchase requisition and purchase order with the delivery note and handle the acceptance. The warehouse will store the purchase requisition and purchase order.