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Information technology is changing the mode of customer service , material purchasing , price making in an enterprise .To keep advantage , an enterprise has to take supply chain management . By sharing information and making plans together, an enterprise and its providers , its customers ,can improve their whole logistic efficiency through supply chain management. ERP is classic of information management in modern enterprises. ERP manages and controls effectively every node of supply chain inside an enterprise. It’s the information flat on which an enterprise manages and makes decision. It is the key point of supply chain management.