An external supplier offered to sell 8000 bearings to the skateboard company for only 19 per bearing should the business cease manufacturing the bearings . In todays increasing economic environment organisations are looking for new techniques to improve their competitive advantage the focus of my . This step in the strategic sourcing process is key because there is a direct relationship between supplier relationship management and supplier performance . Purchase materials in sap erp materials management using step by step instructions. Supply chain management is concerned with all the interconnected businesses that are part of providing end products or services to customers learn