Based On Supply-Hub, JR Company's Auto Parts Inventory Management Research

The development of our country's economy and society makes a great effect on the need of domestic heavy-duty car's market and on the change of heavy-duty car's structure. Heavy duty automobile manufacturing is a complicated process which needs effective organization and corporate manufacture to accomplish the vehicle production. To enhance market competitiveness of enterprises, the first thing that we need to solve is the auto parts inventory management. How to improve that for heavy duty automobile manufacturing enterprises is quite significant.The object of study is JR. which is a company manufacturing heavy-duty car, the study of JR's purchasing process?delivery mode?inventory status shows that the main problem of JR's inventory management are safety stock management and the arrival of the goods on time rate. So it puts forward solutions to that questions. On the safety stock management, the first thing is to change the predictive way, the second is to carry out procurement strategy of differentiation, the third is to selective reasonable safety stock calculation, the last is control strategy under different situations. Upon the arrival of the goods on time rate, the first thing is to strengthen the cooperation of horizontal logistics activities between suppliers to lower their transportation cost, the second is to would the integration of inventory and transportation optimization model according to the feature of Trade-off between Inventory costs and transportation costs, which can achieve goods supply of the Small batch and multiple frequency replenishment,lowering suppliers' logistics costs and strengthening the operation efficiency of JR's.The research achievement about safety stock control and the arrival of the goods on time rate not only gives effective solutions to the inventory problem of heavy duty truck parts, but also provides a great reference for domestic similar enterprises to solve the problem of inventory management.