China CE YAG CO2 non-metal laser marking machine 1.Non- ... , clocks and watches, jewelry and decorations, auto parts, plastic buttons, building material, PVC pipes and medical instrument industry.Laser marking machine ... , metal oxides, a special surface treatment, ABS material, printing ink, epoxy resin,plastic,ceramic, stone, wood productsLaser marking machine Technical-parametersTYPEGS50laser ...