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一、引言郑煤集团物资供销公司是为本集团下属14家煤炭生产企业供应生产所需物料、生产设备及维修所需材料的专业机构,该公司现有的物资购销管理模式要求下属14家煤炭生产企业物资供应子站每月报送物资需
I. INTRODUCTION Zheng Coal Group Material Supply and Marketing Company is a professional organization that supplies 14 coal production enterprises under the Group's production materials, production equipment and materials needed for maintenance. The existing material purchase and sale management mode of the Company requires that 14 coal Material supply sub-station manufacturers submit monthly material needs