... type: Chemical solution Spraying Precision etching machineVJ650 Precision etching machine (two chamber) 1.Power13.5KW/380V2.Etching Area650* ... systemNet Filter SystemIntroduce: 1. This Photochemical Precision etching machine can do high quality etching works of metal plate ... through the metallic graphics such as meshes, filter,TV shadow masks, Lead frames, encoder disks, Grills, Grids, Sieves, Washers ...