Evaluation of efficiency of supply chain in automobile industry by fuzzy data envelops analysis (case study: Sazeh Gostar SIPA company)

In today industrial world, ever increasing competition and rapid changes in economic scope have led to new context for planning for production and revolution in the world. Concurrent to revolutions, automobile industry has changed significantly. Automobile companies have expanded their supply chains from external resources and they have emphasized on their supply chains as a competitive advantage. One of the key indices is evaluation of efficiency of supply chain. This research tries to identify important criteria in the selection of suppliers and determine the importance of the criteria based on the experts’ viewpoints. Thus after selection of the final criteria, for evaluation of the departments of Sazeh Gostar SIPA company, the suppliers of these departments were evaluated by using Fuzzy DEA and Fuzzy CSW methods based on input and output criteria and finally they were graded according to efficiency score.