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In the polyurethane industry , Yantai Wanhua Polyurethane Co., Ltd. (YTPU) BAYER, BASF, DOW and other large multinational competition is becoming increasingly fierce , lean production and management process in order to maintain a competitive advantage , so that the process value chain links to maximize the value of production to reduce operating costs is particularly important . In this paper, the above problem . The analysis of the polyurethane industry supply and demand situation , the development of situation , the competitive situation , the future of the industry trends , Yantai Wanhua facing opportunities and challenges , which proposed to reduce the overall operating costs of production , the implementation of the development strategy of low-cost dilated company maintain a competitive advantage one of the important strategic ; methodology of Descartes , lean manufacturing , 6 Sigma theoretical tools to study theoretical models to reduce production and operating costs : methodology , lean manufacturing, six sigma , Kaizen improvement to make up for each other , complementary , complex production and operational processes break down into simple sub-processes , and the implementation of lean manufacturing to eliminate waste of resources , and the implementation of 6 Sigma management to continuous improvement of the optimization process (Kaizen) , joint action to reduce the operating costs of production . On this basis , the composition of the procurement costs of production and operating costs , logistics costs , manufacturing costs , inventory costs , the influencing factors analysis, to reduce the operating costs of the various production methods . Analysis of the current situation of the company in procurement , logistics , manufacturing , inventory , and other aspects of process Lean optimization strategy , and part of the process of implementation of the improved effect compared . Yantai Wanhua reduce the operating costs of production is of great practical significance .
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