| Summary: | The manufacturing industry is having an issue regarding the quality of the company's planning to produce efficient performance throughout the year. The improvement needs to be carried out to give customers considerable satisfaction regarding the quality of the products and the delivery time. As the manufacturing industry evolves throughout the decades, the demands are becoming more challenging: faster delivery and better quality of products. The markets will interrupt a good supply chain of a company. The Quick Response Manufacturing (QRM) approach significantly benefits companies whose focus is on lead time reduction. This study aims to reduce the lead time and to improve the supply chain of a selected automotive production line by using Witness software simulation. The improvement also sought to implement the Just-In-Time (JIT) inventory management method. The data collected from company X is simulated to get the percentage of idle, blocked, and overall process time. By using the data from the selected line, the improvement of the overall process time is 27.5%, meaning that the company is ready to implement the JIT inventory management method.
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