谈煤炭企业物资招标采购郑州矿务局张志超，高延民，丁宗旺，陈坤锋当前，煤炭企业完全享有物资采购权，可以自行选择供货单位和供应渠道。但由于社会总供给和总需求的不平衡，加上物流和价格体制正处在改革过程中，市场上存在着一种产品多种价格、价格和价值背离幅度大、... Discussion on bidding and procurement of materials for coal enterprises Zhengzhou Mining Bureau Zhang Zhichao, Gao Yanmin, Ding Zongwang, and Chen Kunfeng Currently, coal companies have full rights to purchase materials, and they can choose suppliers and supply channels. However, due to the imbalance in total social supply and total demand, coupled with the logistics and pricing system being in the process of reform, there is a wide range of prices, prices, and values ​​deviating from a product in the market....