trailer pump parts Specialized in concrete pump parts and ... concrete trailer pump partsThis is the brief introduction of our products: we produce and supply concrete pump parts(fitting to ... rubber piston/gasket:DN 125mm and DN 150mm,DN180,fitting to schwing,PM,etc rubber sponge balls:for all ... concrete pump pipefittings 7.wear plate and cutting ring Fitting to schwing,PM,SANY,Zoomlion,etc8.Other parts to ...