1. A process of forming a graphic by chemically treating a surface by locally etching the surface.
2. No color optional, showing the color of the object body, but after the corrosion can be additionally sprayed to achieve the color effect.
3. A technique for cutting, welding, surface treatment, punching, micromachining, etc. of materials using the characteristics of laser beam interaction with matter.
4. No color optional, showing the color of the object body. The text is lighter than corrosion.
5. Laser is also called laser engraving or laser marking. It is a process of surface treatment by optical principle. First, the bottom is made (after spraying or spraying color, then the surface color is sprayed, and the color pattern of the base is exposed in the laser).