... the brief introduction of our products: we produce and supply concrete pump parts(fitting to Schwing and PM , Sany, Zoomlion,CIFA)includingdelivery ... of concrete pump pipefittings7.wear plate and cutting ring Fitting to schwing,PM,SANY,Zoomlion,etc. Pictures concrete pump sealing rings XCMG DN150(6'') Concrete Pump rubber ...