Supplier management is an indispensable part of production management. Facing a large number of suppliers in the market, manufacturers need to choose reliable and strong suppliers, to meet the needs of enterprise production, but also to overcome the number of suppliers too many, coordination and communication costs of the purpose. In this paper, using the raw material ordering and supply data produced by manufacturers in the past, Xi'an constructs the index system of supplier selection, then

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... ps manufacturers objectively screen suppliers through grey correlation analysis, and finally achieves the goal of further streamlining the number of suppliers by constructing an integer planning model.