... ,SKL clip,e-clip,W-clip.DTV-II rail clip we supply:Product name: DTV-II rail clipMaterial: 60Si2Mn, 38Si7, 60Si2CrHardness Rockwell ... , bituminous coating or other specified by customersSeries:1) I- clip, II- clip, III- clip, IV- clip, V- clip, VI- clip, VII ... and other Southeast Asian countries, Japan and South Korea for a long time, Russia, and other various parts of the world ...