... 4.ISO9001:2008 Most of the cnc precision stainless steel forging rings are used in motorcycle,instruments,meters etc. Not agency, not middleman ... .File formatsPro/Engineer, Auto CAD(IGS,DXF,DWG,STP,STL and X-T), SolidWorks, Unigraphics, PDF,TIF etc4.Pictures showNote: ... product pictures on our website just showing our machining ability and ranges. We offer machining service according to your drawings or ...