... and aluminium120mm, 130mm, 140mm,150mm and between specifications:1 xφ113 x 213 Product materials1.Steel alloy:carbon steel/ carbon steel to ... , E-coating etc Quality controlProfessional precision manufacture for more than 10 years.1.Quality control:The defective products rate is 0 ... formatsPro/Engineer, Auto CAD(IGS,DXF,DWG,STP,STL and X-T), SolidWorks, Unigraphics, PDF,TIF etc