trailer pump parts Specialized in concrete pump parts and spare parts,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,etc), ... can supply the 12m, 15m, 18m, 20m, 21m, 24m, 28m hydraulic concrete spreader and manual spreader.