Metal coating is a process where a protective layer is applied to metal surfaces to prevent corrosion, enhance appearance, improve durability, and provide resistance to wear and tear. It involves techniques such as electroplating, powder coating, and thermal spraying, each offering unique advantages depending on the application and requirements. In the automotive sector, metal coating plays a pivotal role in protecting vehicle components from corrosion caused by environmental factors like moisture, salt, and pollutants. Additionally, it enhances the visual appeal of automobiles, contributing to their market value and customer satisfaction.