... .herolaser DP-W50 YAG Handsets hardware laser marking machineDP-W50 YAG Handsets hardware laser marking machine using the ... good Characteristics1.High electric/optical conversion rate .2.Industrial computer controlling to change the road of the laser ... high precision. 2.Electronic components, ICs, electric appliances, handsets, hardware,tools, parts, precision machinery, lens, clocks, watches, jewelries ...