Most companies in the world work to enhance material gains, satisfy their employees, and pay attention to the work environment and the extent to which production processes are running in a way that may be closer to ideal. One of the most important scientific methods taken to study cost reduction and work to improve the work environment is lean manufacturing and relying on its tools to improve handling and processing time. One of the most important measures that organizations take to improve the work environment is factory re-planning. To enhance these results, the lean manufacturing process is combined with factory re-planning to obtain results in saving labor costs, saving the cost of transportation and internal recycling, saving storage space, and working to reduce movement risks for workers that may lead to disruption of their work. One of the most important effects of integrating factory re-planning and lean manufacturing is the increased availability of parts, which in turn leads to increased productivity