W14HH rail fastening is designed for heavy haul passengers and freight mixed running. Main components: * Tension clamp W14 R--2pcs *Sleeper screw with washers--2pcs * guide plates--2pcs * Rail pad--1pc *Plastic dowels--2pc Components description: W type Rail elastic clip/ SKL clip Raw material: 60Si2CrA, 38Si7Type: SKL1, SKL3, SKL12, SKL14, etcSurface: plain ( oil), black paint, color paint, zinc, hdg, etcRail padRaw material: EVA/Elastomer/RubberSurface: plainAngle guide platesRaw material:PA66+30%GF, PA6+30%GF,etcSurface: plainPlain washerSize: from ULS6, etcRaw material: Q235,45#Surface: black, zinc, hdg Screw spike/ Timber screw Grade: 4.6, 5.6, 8.8Raw material: Q235, 35K, 45#, 40Mn2, 20MnSi, Surface: plain (oil), black, zinc, hdg, etc Plastic inserts Raw material:PA6, PA66, HDPE Surface: plain Reference Project: 1.Thailand 2.Saudi Arabia Testing facilities &…