As the industry competition environment become more and more tightly, Enterprise have to select the right strategy base on his own captures,following this Strategy,they also need to integrate their own resource and the enterprise value chain　　 efficiently,in this way the enterprise build up their core competition and keep their advantage in the market.　　 The information system is one of the important elements in the enterprise value chain. It helps the enterprise to get their core competition by the resource and value chain integration.Following is the main conclusion of this article:(1) The important resource like vendor, customer and component are distribute in separate organization all around the world of the company.A share and unite data base,improve the corporation of each area,implement the cross selling make the main product sale are up to 30％ year to year. (2) The company has abundant knowledge resource, but they are not use in the efficient way.The knowledge management platform centralizes the product information and implements the cross area R&D project. All these inspirit the innovation of the company,convert the advantage resource into the core competitive advantage of the enterprise.(3)The service information develop and management help company extent her customer service scope and quality.(4) By sharing the configurable product platform and the powerful product configuration function,the company changes their work methodology in R&D and manufacture.The process reengineering cut the huge additional cost and time raised by the product customizing.