... No burrs,and integrated;6.Used for different kinds of metal;7.All ODM is welcome.Etching process: Film ... what perforated metal machine can not produce. End use: metal mobile keyboard, precise filter, shaped wire mesh, nameplate, ... juice machine filter, razor sheet, precise elecronics parts, ani-insect net, meal crafts, metal grid, metal cover, metal plate for model, decorative metal ...