cnc machine:used for advertising materials working, like engrave, cut, drill, curve, photo engrave, letters cut etc. 3d cnc router: Application: 1. ... , PVC, acrylic, two colors board, metals, stone etc. 2. Manufacturing industry: engrave, cut, drill, photo engraving on copper, iron and ... .Note: There are also some other industries application of cnc router machines, pls confirm with us if you are ...