The Forecasting And Improvement Of Safety Stocks In The OEM Company

Inventory for a company is very important,it can say the inventory is the lubricant of company operation. To hold inventory has economies of scale, which can buffer the influence of uncertain factors, balance the demand and supply, but retains the excessive inventory, will occupy the enterprise flow cost, increase business costs, will cover the quality problem. Therefore, setting reasonable inventory level, to balance the inventory level and service level, it is important to the company management.P company is an electronic product manufacturing enterprises, its rapid growth, fast production rhythm, raw material variety, while the hardware facilities and business increased synchronization. So P company take various measures to reduce raw material inventory, to save storage space, improve the quality of production, but the inventory will bring huge risk for less stock. When the production appeared in unexpected situations, it is easy lead to material shortages, it will increase more cost. So how to maintain an appropriate inventory levels, which can ensure the minimum stock quantity, and can ensure finishing the production according to plan, order on time delivery, this is the currently important issues facing by the company.In order to meet the P company's different requirements for raw material inventory, we need to set up a reasonable safety stock of materials, so that the raw materials to meet customer demand in the premise of the lowest rate of inventory turnover.This paper first discusses classification of the raw material , using the ABC classification and Kraljic matrix combination, confirm the procurement mode of the raw material, using the principles of statistics, statistics for the three supply modes and general and special materials 54 week customer demand data, to find the mathematical distribution of customers demand data, thus by use of the characteristics of mathematical distribution to calculate safety stock quantity, and Compare with the Previous stock level, to verify the safety stock is reasonable or not, if it can improve the original inventory level.Because the actual market demand and production is vary from minute to minute, the calculation of safety stock by this method can only be a reference value, but it can play a guiding role on the company's actual operation, we can according to the actual situation,do revision to the calculated data.