PM Concrete Pump Spare Parts-Boom Pipe Material:ST52, 45Mn2, 20#,Q235 Brand: ... Products: We are a professional manufacturer of concrete pump parts in China, specialized in producing concrete pump delivery pipe ... and so on2. application: We have been supplying concrete pump parts for SCHWING, PUTZMEISTER, SANY, CIFA, KYOKUTO, ZOOMLION for ... F/MOthersproduct picture: PM Concrete Pump Spare Parts-Boom Pipe