... rotary 4.OEM,CE,ISO9001 SD-1313Y column cnc router,3D cnc engraving machine for column/cylinder Scope of application1.stone crafts ... , calligraphy, 3D characters, garden or wall decoration, logo, forming system module, billboard, plate, LED/neon channel, literal-hole cut, ... aluminum, iron and other metal molds, as well as artificial marble, sand, plastic sheeting, PVC pipe, wooden planks and other non ...