... delivery pipe, elbow, reducer, (coupling)clamp , male and female flange ,rubber hose,cleaning ball,wear plate etc. ... product range is as follows; 1. pipe line(wear-resistant seamless or welded tube)material:45Mn2, ... as to your requeirement.2. elbow/bend and reducer elbowmaterial:Hi-Mn13,20#steel,st52,etcsize ... are upon to your request 4.wear plate and cutting ring Fitting to schwing,PM,SANY,Zoomlion,etc ...