确定制造过程所需的主要材料以及可以确保的供应水平。确定所有制造过程顺利运行所需的基本和关键库存项目。估计各种供应商和供应商的平均、峰值和基线容量。建立来自市场和供应商的单个供应商的能力。 Identifying principal materials needed for the manufacturing process and the levels of supply that may be ensured for them. Determine the essential and crucial inventory items required for the smooth functioning of all manufacturing processes. Estimate the average, peak, and baseline capacities of various vendors and suppliers. Establish the capability of individual suppliers from the market and the vendors.