purchasing and inventory control

On the base of analyzing the procedure of material purchasing, processing and inventory control on the point of view of value flow, this paper presents a new material management policy, which focuses on decreasing reasonably the inventory thus reducing the overall production cost.

本文利用价值流的观点分析了物料库存、加工和采购过程，提出基于价值流的物料管理策略，这对合理降低库存水平、最终降低总的生产成本方面有着积极的作用。

Combined with goal programming and genetic algorithm design of minimum total cost of fuel inventory model and the monthly change in coal prices as known, solve the multi-supply point of coal corresponding to the purchasing volumes, purchasing batches and the arrival time inventory control.

再结合目标规划和遗传算法设计燃料库存总费用最小模型，把每个月变动的煤炭价格作为已知，来求解对应多供应点的煤炭的采购量、采购批次和到货时间等库存控制问题。

Monitor and control the execution of purchasing procedures and inventory maintenance.

监控项目运营中采购流程和库存管理.