providing a structural model of lean sustainable supply chain with total quality management approach in the automotive industry

Improving supply chain management performance is one of the critical issues to gaining a competitive advantage for companies. in this regard, one of the valuable solutions is the lean approach. a lean approach helps eliminate supply chain waste. on the other hand, considering the existence of the automobile industry in iran and the presence of many parts manufacturing industries to meet the needs of automobile manufacturers, the implementation of the lean approach in the supply chain of organizations active in this field is essential and creates a competitive advantage in them. at first, by reviewing the literature, eight key factors that cause the supply chain to be clean were identified, and 40 supply chain experts were assisted using a questionnaire. the normality of the data distribution was examined using the kolmogorov-smirnov test. the main result of this study was the pattern of factors affecting the purity of the supply chain in the automotive parts industry. this model includes the leveling of factors affecting the supply chain, which provides managers with a comprehensive view and attitude about the relationships between these variables.