... pump parts and spare parts,like delivery pipe,elbow,coupling,fitting schwing,PM, 90 degree bendThis is the brief introduction of our ... and PM , Sany, Zoomlion,CIFA,etc),which include delivery pipe, elbow, reducer, (coupling)clamp , male and female flange ,rubber hose, ... product range is as follows; 1. pipe line(wear-resistant seamless or welded tube)material:45Mn2,high quality alloy steel pipe ...