... ), electrical appliances, communications, hardware, tools, accessories, precision instruments, eyeglasses and clocks, jewelry, auto parts, plastic buttons, construction material, PVC pipe, medical equipment, etc ... , insulation layer.Technical parameters: ModelTK-YAG Laser Marking Machine for Metal and Nonmetal materialLaser output power50WLaser wavelength1064nmBeam quality m2<6Laser repetition rate ...