The color coating production line is a mechanical device for producing color-coated plates and color-coated rolls. Next, it is introduced the color-coated plate as a product of the color coating production line.

The color-coated plate is made of cold-rolled steel strip, galvanized steel strip (electro-galvanized and hot-dip galvanized) as the substrate of the continuous device, subjected to surface pretreatment (degreasing and chemical treatment), and after roller coating, coated with a layer or a multi-layer liquid coating, the board obtained by baking and cooling is a coated steel sheet. Since the coating can have a variety of different colors, the coated steel sheet is usually referred to as a color coated sheet.

Since the coating is carried out before the steel sheet is formed, it is also referred to as a precoated steel sheet abroad. The color coating process is as follows: the color coated steel plate is a cold-rolled steel plate and a galvanized steel plate as a substrate, subjected to surface pretreatment (degreasing, cleaning, chemical conversion treatment), and continuously coated (roll coating) method, and dried. A product made by baking and cooling.