... 4.OEM,CE,ISO9001 SD-1313Y column cnc router,3D cnc engraving machine for column/cylinder Scope of application1 ... Advertising industry: Large advertising signs, acrylic brands, tableets, calligraphy, 3D characters, garden or wall decoration, logo, forming system module, ... hole cut, blister Lightbox mold, stamp, mould. 3.copper sculpture, aluminum, iron and other metal molds, as well as artificial ...