... and spare parts,like delivery pipe,elbow,coupling,fitting schwing high pressure rubber hoseThis is the brief introduction of our products: we ... )clamp , male and female flange ,rubber hose,cleaning ball,wear plate etc. Welcome to contact us for more information. Our product ... line(wear-resistant seamless or welded tube)material:45Mn2,high quality alloy steel pipe,st52,20#steel,etcsize:DN 125mm or DN ...