... size etching, such as advertisement,sign brand, equipment panel ,metal crafts & gifts ,etch various pattern and character in the stainless steel,titanium ... metal ,like stainless steel, titanium plate,copper,aluminum,etc.3)the processing area is not limited,4)the etching depth can be ... Machine picture: Samples: CEFactory and workshop: 2012 Hot! Metal Etching Machine on stainless steel board BYT3055