... different size etching, such as advertisement,sign brand, equipment panel ,metal crafts & gifts ,etch various pattern and character in the ... by ionization effect to strip the metal2)Processing all conductive metal ,like stainless steel, titanium plate,copper,aluminum,etc.3 ... for each piece Machine picture: Samples: CEFactory and workshop: 2012 Hot! Electric Metal Plate Etching Machine BYT3055