Laser marking machine 1.Semiconductor metal laser marking machine 2.Water cooling system 3.Diode pump laser 4.CNC control Laser marking machineSampleTechnical parameters Input ... ., batch No., barcode, 2 -D code, etc. on metal or nonmetal surface (plastic, silicon or porcelain, etc.) which are ... , glasses, auto parts, telecommunications products, plastic buttons etc. YAG laser marking machine with CE