... .With rotary 4.OEM,CE,ISO9001 SD-1313Y column cnc router,3D cnc engraving machine for column/cylinder Scope of application1.stone crafts,relief making ... and other metal molds, as well as artificial marble, sand, plastic sheeting, PVC pipe, wooden planks and other non-metallic mold ... guide,which runs smooth and has high precision.2.The machine is of steel structure which is strong and invariant,and ...