... .High speed and low cost 4.CE BYT-3055 Metal plate etching machine Application: Suit for the different size etching, ... ,sign brand, equipment panel ,metal crafts & gifts ,etch various pattern and character in the stainless steel,titanium board, zinc,aluminum ... metal2)Processing all conductive metal ,like stainless steel, titanium plate,copper,aluminum,etc.3)the processing area is not limited ...