... rotary 4.OEM,CE,ISO9001 SD-1313Y column cnc router,3D cnc engraving machine for column/cylinder Scope of application1. ... 2.Advertising industry: Large advertising signs, acrylic brands, tableets, calligraphy, 3D characters, garden or wall decoration, logo, forming system module, billboard ... after a long tome usage.3. with powerful Water-cool spindle,the machine has a big cutting capacity and high ...