... , acrylic, men-made high-density plate, bakelite sheet, physical and chemical plate, PVC, PP, copper and aluminum ... brands in the process of the relief sculpture, engraving and carving 4) High precision, 1mm character ... power, hard steel feature, 8mm thickness copper plate can be cut through for once only, the ... axis: 120mm 5) Repeat location: 0.025mm 6) Engraving speed: 25m/min 7) Power supply: 220V / ...