Film-coated steel sheets are widely used in the construction field and are highly favored for their excellent anti-corrosion, waterproof and weather-resistant properties. This material enhances the steel sheet’s anti-oxidation and anti-chemical corrosion capabilities and extends its service life by coating the surface of the steel sheet with a decorative film. Film-coated steel sheets are not only lightweight and high in strength, but also have good decorative effects. They are often used in scenes such as building exterior walls, roofs, curtain walls and interior decoration. Their diverse colors and surface textures provide more creative options for architectural design, especially for industrial plants, commercial buildings and public facilities that require high durability and aesthetics.