... spare parts,like delivery pipe,elbow,coupling manufacture schwing concrete pump parts This is the brief introduction ... we produce and supply concrete pump parts(fitting to Schwing and PM , Sany, Zoomlion,CIFA,etc),which ... 7.wear plate and cutting ring Fitting to schwing,PM,SANY,Zoomlion,etc8.Other parts to the ... also supply the s-pipe,gate valve,delivery cylinder,RAM,back-up ring,etc.9. Concrete spreader ...