... PM , Sany, Zoomlion,CIFA,etc),which include delivery pipe, elbow, reducer, (coupling)clamp , male and female flange ,rubber hose,cleaning ball,wear ... for more information. Our product range is as follows; 1. pipe line(wear-resistant seamless or welded tube)material:45Mn2,high ... quality alloy steel pipe,st52,20#steel,etcsize:DN 125mm or DN 150mmWall thickness ...