... marking on the metal and most of the no-metal material. As the middle & top level products of the ... , knives, scissors, medical equipment, fitness equipment, stainless steel products;-Buckle sign industry: buttons, luggage buckle, belt buckle, gold ... ink (translucent keys, printed products), epoxy resin (encapsulation of electronic components, insulation layer) 50 W High Precision Metal Laser Marker