... 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, ... to 6inch,DN125mm and DN 150mm is the common size,other sizes like DN80,DN100,DN175 are ... ,etc rubber sponge balls:for all kinds of concrete pump pipefittings 7.wear plate and cutting ring ...