... pump laser 3.Mark on metal, plastic,rubber products 4.CNC control Metal marking machineSampleTechnical parameters Input voltage ... metal or nonmetal surface (plastic, silicon or porcelain, etc.) which are precise, permanent, non-polluting and environment-friendly. 4. Its mainly equipped with ... beam expander, reflect lens, Q-switch, Q-driver and other key parts imported from USA,UK, Singapore etc. ·Main ...