... No smell, No dust, and you can use it anywhere. It suit for all engraving picture industries. 2, Work as ... one layer of metal) and any shape of plane bend, slice and arc. It's not only same result as ... Work as one of brush plating machine: It can rely on one of pad or brush contact with anode andremoval or ... and column and so on. And on the basis of it, it can also color them with gold, red, yellow, blue ...