... ,like delivery pipe,elbow,clamp,rubber hose for PM,etc concrete trailer pump partsThis is the brief introduction of our products: we produce ... and supply concrete pump parts(fitting to Schwing and PM , Sany, Zoomlion,CIFA, ... schwing,PM,etc rubber sponge balls:for all kinds of concrete pump pipefittings 7.wear plate and cutting ring Fitting to schwing ...