... castingApplicationConnection of Concrete pump and pump truck pipelineSurfacePainting or GalvanizingServing brandSchwing, PM, CIFA, Sany, Zoomlion, etc1,Concrete pump pipe :ST52 concrete pump pipe , 45Mn2 ... towed concrete pump, Concrete placing boom series.3, Concrete pump truck fittings : Wear plate and wear ring, S valves, Concrete pump piston , delivery cylinder,.ect4: Concrete pump clamp ...