Relationship marketing refers to a long-term strategy adopted by organizations to build and maintain strong, lasting relationships with customers, suppliers, and other stakeholders rather than focusing solely on single or short-term transactions. In the context of material management, relationship marketing emphasizes cooperation, trust, mutual benefit, and continuous interaction between buyers and sellers to ensure a smooth flow of materials, cost efficiency, quality assurance, and timely delivery. It shifts the focus from price-based competition to value creation through collaboration, communication, and commitment. In material management, where procurement, storage, inventory control, and distribution are crucial, maintaining stable relationships with reliable suppliers ensures continuity of operations and reduces uncertainty. In traditional transactional marketing, the objective is to complete a sale and move on to the next opportunity. However, in material management, repeated purchases, long-term supply contracts, and consistent quality requirements make relationship marketing more practical and beneficial. A purchasing department that develops strategic partnerships with suppliers can negotiate better terms, receive priority during shortages, and collaborate in product development or cost reduction initiatives. Relationship marketing involves regular communication, performance reviews, joint planning, information sharing, and mutual trust. It also reduces risks related to supply chain disruptions and enhances coordination between production schedules and supplier capabilities. Buyer-seller interaction is the foundation of relationship marketing in material management. This interaction involves communication, negotiation, exchange of information, evaluation of performance, and resolution of conflicts. The buyer represents the organization’s interest in obtaining materials of the right quality, quantity, price, and time, while the seller aims to supply goods profitably while maintaining customer satisfaction. Effective buyer-seller interaction is characterized by transparency, professionalism, ethical conduct, and responsiveness. In material management, buyer-seller interaction begins with identifying needs and selecting potential suppliers. The buyer communicates specifications, delivery requirements, quality standards, and payment terms. The seller responds with quotations, technical details, and proposals. This interaction continues throughout the procurement process, including order placement, production updates, shipment tracking, inspection,