Putzmeister DN230 concrete pump conveying cylinder High Chrome, 20000CBM QUALITY, Serving SCHWING, PM, SANY, KYOKUTO, CIFA Name Putzmeister DN230 concrete pump conveying cylinderMaterialHigh manganeseTechnicalHigh Chrome LinerApplicationUsed in concrete pump Service Brands Schwing, PM, Cifa, Kyokuto, Zoomlion, Sany and so onSize DN180, DN200, DN230