... 4.OEM,CE,ISO9001 SD-1313Y column cnc router,3D cnc engraving machine for column/cylinder Scope of ... : Large advertising signs, acrylic brands, tableets, calligraphy, 3D characters, garden or wall decoration, logo, forming system ... linear guide,which runs smooth and has high precision.2.The machine is of steel ... machine has a big cutting capacity and high efficiency.4.By changing the diameter and ...