... and PM , Sany, Zoomlion,CIFA,etc),which include delivery pipe, elbow, reducer, (coupling)clamp , male and female ... 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 ... the s-pipe,gate valve,delivery cylinder,RAM,back-up ring,etc.9. Concrete spreader We can ...