The development of green energy has been one of the important topics of Taiwan in recent years, at present, the investment of wind power in Taiwan is gradually moving from onshore to offshore. Facing such huge construction and investment of power generation plan, how can Taiwan enterprises follow the government construction and growing together, also lead the simultaneous growth of Taiwan's industrial chain. This article will analyze the current market situation of the global foundry industry, and the future development of the casting industry. To see if the government expected to localized wind power supplier chain in Taiwan, How Y company can through the localization policy, and get into the global wind power Industry's global supply chain. The research will use case study to analyze the global wind casting supply chain, to know its strategic plan, core competence, industry success factors, and how Y company to develop their differentiated strategies entry the wind power market, this study will become an important blueprint for future business development.