在全球化競爭激烈的市場環境下，為了能夠達成客戶至上提高需求服務，如何追求供應鏈存貨管理的平衡，已成為企業必須不斷追求的重要目標之一。 本研究以六標準差改善活動的個案公司為研究對象，個案公司之產品應用於過濾材料，因產業需求變動幅度過高，在存貨管理上易造成過高的庫存。為了有效降低問題庫存成立六標準差專案，並應用六標準差（Six Sigma）手法DMAIC（Define、Measure、Analyze、Improve、Control）進行問題的改善。於專案中運用統計方法找出可能的重要影響因子，改善其關鍵因子以降低問題庫存的產生，並持續監控進而達成專案目標。 個案公司藉由專案不僅強化團隊合作，專案的進行也讓不同部門人員瞭解各部門流程，並且非常重視專案改善後帶來的財務效益，讓企業增加獲利能力，以達成企業永續經營的最終目標。此個案經由六標準差改善專案有效的針對個案公司問題庫存做改善，確實在改善問題庫存上，有相當的成效，最後本研究提出下列三點結論：完整健全的專案組織，高階經理人的支持以及重視財務效益。 ;In order to meet the goals of customer first and customer needs in the global competitive market, inventory is considered necessary assets, but too high inventory means that the cost increase and the loss of competitiveness. Therefore, how to pursue the balance of supply chain inventory management has become an important target that enterprise pursue continually. This is about company with Six Sigma execution and the major product application is filtration material. High inventory level is the critical issue due to unstable customer demand. In order to reduce the Non-working effectively, Six Sigma project is kick-off and using the tool of DMAIC (Define, Measure, Analyze, Improve, Control) to solve the problem. In the project using statistical methods to identify possible important factors to improve the key factors to reduce the problem inventory and monitor continually to achieve the project objectives. The project not only strengthens the team cooperation but also helps team members from cross departments understand the process in each department. The most important is financial index improvement to increase the profit of the company and achieve the goal of enterprise sustainable management.
