fast clip : 1.ISO9001-2000; 2.Many times pass BV, SGS ... , Color paint Zinc, HDG,etc. 4.E clip/Rail anchor/Fast clipType:e1609, e1809,e1817, e2055,e2056,e2009,e2001,e2006,PR401 ... material:45 Steel,50 SteelSurface:Plain(Oiled) 7.Tie plate /Base plate/Rail plate/Rail fixing baseRaw material: QT400-15,QT450 ...