... 3.Diode pump laser 4.CNC control Laser marking machine SampleTechnical parameters Input voltage:AC220V±20VFrequency: ... water or purified water.·Feature:Diode pumped laser marking machine adopts high-quality semi-conductor module, ... field: Hardware, IC, instrumentation, electronics,machinery industry, jewelry, glasses, auto parts, telecommunications products, plastic buttons etc. Vin Code laser marking ...