1.Model:DN125,DN150,DN175 etc 2.Material:45Mn2,ST52, ... . 5.Name:hardened pip Wear-resisting Concrete Pump Pipe 1.Our company is one of the leading concrete pump pipe ... super quality in China .They have been used on SCHWING, PM, KYOKUTO, SANY, ZOOMLION, CIFA, SINOTRUK(CNHTC), FOTON, XUGONG,CHUTIAN, ... 4.040,000-50,000Common1254.51--914810 8,000Pipe4.85148 1,000(45Mn2)5148 12,000 7152-148 20,000Double1252. ...