| This paper takes the SH company as the research subject,under the premise of ensuring customer satisfaction,in order to reduce the inventory cost of raw materials and improve the efficiency of warehouse operations,the author investigate the field in-depth of all aspects of raw materials inventory management of SH company which including the raw material ordering strategy,warehouse-in management,inventory management and warehouse-out management etc.Besides,the paper analyzes important indicators of inventory turnover rate and waste rate for raw materials,finds out the reasons of unreasonable problems of the raw material inventory.Through communication with the relevant departments of the company,giving full consideration to the complexity of the variety of raw materials,production environment,this thesis presents a comprehensive replenishment strategy of raw materials to solve the problems exist in the company.Firstly,according to the raw material inventory management and enterprise material requirement plan,then according to the characteristics of the price of raw material and the annual demand,the paper designs the raw material replenishment classification mechanism.96 kinds of raw materials of SH company according to the classification standards are divided into three categories.According to the results of classification and characteristics of the raw materials,the paper chooses the inventory control method and strategy for different types of raw materials.Secondly,on the basis of the option of comprehensive replenishment strategy,taking customer service level for constraint,and taking ordering time,order quantity,reorder point of the actual production operation for decision variables,this paper constructs an integrated replenishment of raw materials strategy for AB two important types based on the raw material inventory minimization as the objective function.Owing to random effects of production materials demand and purchasing lead time in mathematic model,the traditional method is difficult to solve this kind of problem In this paper,by using WITNESS simulation software,choosing five kinds of raw material provided by three suppliers as the simulation objects,the paper simulates the model of replenishment strategy,analyses the indicators of current inventory and the overall volume of replenishment and other,and verifies the validity of the model Using the simulated annealing optimization algorithm,combined with the specific data,this paper calculates the five kinds of material replenishment strategy.By the end of the procurement of raw materials demand,lead time and stock out cost parameter adjustment,the different scenarios of optimal replenishment strategy of enterprise are set in this paper.This kind of comprehensive replenishment strategy reduces the company’s inventory of raw material costs by 680000 yuan,greatly improving the raw material inventory turnover rate,effectively solving the enterprise raw material inventory cost,and improving the efficiency of the staff.The comprehensive replenishment model which is close to the actual situation with simple operation and strong application value can better reflect the dynamic changes in raw material inventory system.In the process of late development,the enterprise can formulate different replenishment strategies through the simple adjustment of parameters.As a small and medium-sized manufacturing company,SH company has complex processing technology,variety of raw materials and general characteristics of precision manufacturing enterprise.Thus,it has very important significance to study the economic benefits of SH raw material replenishment strategy for small and medium manufacturing enterprises in China. |