... the brief introduction of our products: we produce and supply concrete pump parts(fitting to Schwing and PM , Sany, Zoomlion,CIFA,etc ... of concrete pump pipefittings 7.wear plate and cutting ring Fitting to schwing,PM,SANY,Zoomlion,etc8.Other parts to the pump truck ... We can also supply the s-pipe,gate valve,delivery cylinder,RAM,back-up ring,etc.9. Concrete ...