The base material of coated steel plate may be steel plate, or it may be galvanized plate, covered with colored or patterned film, the surface of this kind of plate is very smooth and flat, and the surface color effect is beyond the reach of PCM, but the price is more expensive, generally It is used on the panel of the refrigerator, or the side panel of a better wine cabinet, the casing of the set-top box, etc. The product application has relatively high requirements for the film.