... , titanium, etc.), metal oxides, plastic, ABS material (electrical appliances shell, daily necessities), ink (translucent keypads, printed products ... watch covers, rubber, ceramic, etc. Laser Marking Machine Parameter: Model No.GDBGX-20 laser marking machineLaser ... Machine’s Applicable Sector :Marking graphs,barcodes,serial numbers,texts,letters and logo for electronic components, electrical ...