Metal nameplate etching machine 1.Process stainless steel, Titanium, Aluminum, brass etc. 2.High speed 3.Environmental Metal nameplate etching ... ionization effect to strip the metal2)Processing all conductive metal ,like stainless steel, titanium plate,copper,aluminum,etc ... investment. 10)Green environmental.without excitant od-our, non-toxic, no corrosion edge and leave out phenomenon11) ...