... concrete pump parts and spare parts,like delivery pipe,elbow,coupling,fitting schwing,PM, delivery pipe This is the brief introduction of our ... to Schwing and PM , Sany, Zoomlion,CIFA,etc),which include delivery pipe, elbow, reducer, (coupling)clamp , male and female flange ,rubber ... the pump truck We can also supply the s-pipe,gate valve,delivery cylinder,RAM,back-up ring,etc.9. Concrete spreader ...