... ,like delivery pipe,elbow,coupling,fitting schwing high pressure rubber hoseThis is the brief introduction of our ... coupling)clamp , male and female flange ,rubber hose,cleaning ball,wear plate etc. Welcome to contact us ... -resistant seamless or welded tube)material:45Mn2,high quality alloy steel pipe,st52,20#steel, ... size as to your request 5.sponge cleaning ball Material:natural rubber Size:DN100,DN125 ...