... can provide products as following : 1. Screw spike /Sleeper screw/ Coach screwType : Ss5, Ss 8,Ss25,Ss36Raw material :Q235, 35 ... according to drawingsRaw material : Q235Surface: Plain (oiled) 3.Rail Clip/ Tension clampType: SKL1,SKL3,SKL12,SKL14Raw material:38Si7 , 60Si2CrASurface: ... , Black paint, Color paint Zinc, HDG,etc. 4.E clip/Rail anchor/Fast clipType:e1609, e1809,e1817, e2055,e2056,e2009 ...