The surface of the poorly processed coated steel sheet will be uneven, and there will be problems such as graininess and chromatic aberration. Decorating on the wallboard will affect the overall effect. When choosing the film-coated wallboard, the manufacturer should be selected, and the unqualified steel plate should not be selected blindly. Jiangyin Himei has been focusing on the production of coated steel sheets for 10 years. With advanced production equipment and excellent technical team, it is a very good manufacturer.