| With the promoting of globalization, the competitions have been getting more and fiercer. There is no way to succeed under the terms of a single enterprise. Being one of magnates in steel industry in China, WISCO can do nothing but organize a Strategic Alliance under supply chain management which provides a solid guarantee for sustainable development. How to optimize method to inventory control of the coal washing which occupied one third of procurement funds, and to further promote the optimization of inventory to other materials, it appears to be particularly important. This paper attempts to use the supply chain inventory management theory to have preliminary study the coal washing inventory optimization and use the method to solve them aiming at the problems that existed at this stage.This thesis introduces the actual situation of WISCO and the necessity to choose this topic first. it also proposed research ideas and method. Then it introduces concept and profile about SCM and inventory control. On this basis it compares methods about their advantages and disadvantages as well as application situation. At the same time it analysis's problems existing in coke-coal inventory control and give's initial ideas to solve these problems. So it chooses a better method considering companies', suppliers'and logistics services providers'reality, and then makes distribution to benefit sharing. At last it explains the stability and benefit sharing by Game Theory. |