... 4.OEM,CE,ISO9001 SD-1313Y column cnc router,3D cnc engraving machine for column/cylinder Scope of application1.stone crafts,relief making, scrupture, big ... aluminum, iron and other metal molds, as well as artificial marble, sand, plastic sheeting, PVC pipe, wooden planks and other ... power2.2KWspindle rotating speed0-24000rpm/minWorking ModeStepperSample products 3D cnc engraving machine with rotary