第四章介绍了生产物料采购的成本分析与控制，介绍了影响供应商的价格因素，并通过对采购成本的分析提出了一些降低采购成本的方法。
The chapter 4 introduced the analyzing and controlling for the cost of procurement , introduced the related factors for the price of materials , gave some advises for costing down by the analyzing the factors of cost .
物料成本分析