High Speed rail refers to a rail capable of carrying a train that reaches passenger line speed at 350km/h ?axle load less than 170kN? or mixed passenger and freight line speed at 250km/h?maximum axle load is 230kN?. Our company could supply high speed railway fastening systems including Type WJ-8, Type WJ-7, Clip V and Clip IV. Type WJ-8 applies to 60 kg/m rail of ballastless sleeper with shoulder.