... ) Applicable for chemical compound material, acrylic, men-made high-density plate, bakelite sheet, physical and chemical plate, PVC, ... PP, copper and aluminum 3) High speed, high efficiency, the average efficiency is several times as ... of the curve lines 5) Great power, hard steel feature, 8mm thickness copper plate can be ... 220V / 50Hz 8) Weight: 900kg Sell High-density Plate-engraving Machine