... CE,ISO9001 SD-1313Y column cnc router,3D cnc engraving machine for column/cylinder Scope of application1.stone crafts,relief making ... advertising signs, acrylic brands, tableets, calligraphy, 3D characters, garden or wall decoration, logo, forming system module, billboard, plate, LED/neon ... guide,which runs smooth and has high precision.2.The machine is of steel structure which is strong and invariant, ...