... Marking depth:0.01-0.4mm 3.Graphic preview 4.Powered by electromagnet 5.Alloy marking Application: It's applicable for ... parts, petroleum, aeronautical and space, electric apparatus, steel, metal, non-metal and hard plastic materials. It mainly used for marking ... marking machine,CO2 RF laser marking machineCar Engine Metal Marking Machine,Metal Engraving Machines are detailed as follow:This device ...