... , slice and arc. It's not only same result as the laser engraving products,but only less than 1/10 price compare ... , yellow, black and white color, etc. It fits for all industries of metal surface treatment.10. Work as one of brush plating machine: It ... them with gold, red, yellow, blue, black, green, gun color, purple, orange and brown and so on. This machine is widely used in the industries ...