... 4.can work with metal LD 3630 mini metal engraving machine for producing metal mould Application materials:Copper, aluminum, cast iron, ... other metal materials; for carving a variety of metal mold. Color plates, plexiglass, acrylic, wood, wooden fish stone, rubber, marble ... adapt to the high-speed, precision cutting for metal, nonferrous metal, stone, wood and other materials processing state of demand ...