DUE TO INCREASE THE IMPORTANCE OF ENVIRONMENTAL ISSUES, NOWADAYS, VARIOUS FACTORIES NOT ONLY HAVE TO PROVIDE THE CUSTOMERS’ NEEDS BUT HAVE TO CREATE A CYCLE FOR RETURNED PRODUCTS IN ORDER TO RECYCLE, DISPOSE OR REMANUFACTURE THEM. IN THIS PAPER, A STUDY WAS CONDUCTED TO PROVIDE A MODEL FOR Reverse SUPPLY CHAIN. AT FIRST, AN INTRODUCTION ABOUT THE IMPORTANCE OF THE Reverse LogisticS SUPPLY CHAIN IS EXPRESSED AND THEN Reverse SUPPLY CHAIN MODEL WHICH INCLUDES CUSTOMER ZONES, COLLECTION CENTERS, REMANUFACTURING CENTERS, DISASSEMBLY CENTERS, RECYCLING CENTERS, PRIMARY MARKETS, AND SECONDARY MARKET DELIVERED. THE PROBLEM CONSIDERED IN THIS RESEARCH INVOLVES DECISIONS REGARDING THE NUMBER AND LOCATION OF DIFFERENT FACILITIES TO BE ESTABLISHED IN THE NETWORK AND THE RATE OF FLOW OF DIFFERENT PRODUCTS, COMPONENTS AND MATERIALS BETWEEN EACH STAGE OF THE Reverse SUPPLY CHAIN. THIS PROBLEM SOLVED WITH EXACT SOLUTION IN THIS PAPER AND THE RESULT PRESENTED AT THE END OF PAPER.