本研究之個案公司其專業於微波通訊零組件之代理銷售，及配套完整測試方案之整合。目前公司市場範圍延伸至商用與消費性市場，且合作夥伴分佈在台灣、大陸甚至歐美各國。企業面對全球化競爭，若要在世界經濟舞台上扮演重要角色，其中關鍵成功因素之一就是供應鏈夥伴建立緊密的關係。 以本研究之個案公司而言，其專業於微波通訊零組件之代理銷售，及配套完整測試方案之整合。近年來行動世代的崛起，更加速無線射頻通訊技術的革新，目前公司市場範圍延伸至商用與消費性市場，且合作夥伴分佈在台灣、大陸甚至歐美各國，因此供應商與客戶之間的合作與公司策略有密不可分的關係。 本研究藉由個案分析方法，得到以下結論：(一)供應商攻入客戶需掌握的要點，包括己之能力與價值、客戶需求、與客戶達成之共識並發展解決方案、服務之擴大與產品之提升。（二）供應商對於穩固客戶關係需考量之因素，包括產品品質、產品價格、產品交期、服務與信賴關係、進入障礙。 透過本研究結果作為供應商訂定營業策略時的參考，藉以提升供應商能力，增加攻入客戶的機會，並加強客戶與供應商的互動，提高客戶忠誠度並維繫客戶關係，以期獲致最大利益。 / The case company specialize in sale agent in microwave communications components, and supporting complete solution. Currently, the company extend its marketing range to the commercial and consumer markets, it has partners in Taiwan, mainland China, Europe and the United States. Companies face global competition, each of them wants to play an important role on the world economic stage. The key is to establish a close relationship to supply chain partners. This study explores how the case company meets clients needs by their own ability and value on the basis of Resource-Based theory. The relationship between companies and their clients is a special “strategic partnership”. The relationship let company make good use of the core competitiveness in procurement process, maintain a dominant position, thereby affect the clients or industry. This study using case analysis has the following conclusions: (a) There are five points in establishing relationships with clients by supplier, including “our own ability and value”, “clients need”, “the consensus with clients and develop solutions with clients” and “expand the services and products”. (b) There are five points in solidifying relationships with clients by supplier, including “product quality”, “product price”, “product delivery”, “service and relationship of trust”, “barriers to entry”. Suppliers can formulate strategies through the conclusion to enhance its capability, increase the chance of establishing clients, enhance interaction between clients and suppliers, increase clients loyalty, maintain relationship with clients and earn more profit.