1.Concrete pump spare parts manufacturer 2.Size: DN180, DN200, DN230(Big mouth) 3.Lifetime:30,000~80,000CBM 4.Material: T.C. Concrete pump spare parts manufacturer 1. Type: hardfacing, Tungsten carbide, 7 shape T.C 2. Application: Putzmeister trailer and truck mounted concrete pump 3. Lifetime: 30,000~80,000cbm based on different type 4. Tensile strength≥ 2500 N/mm2 5. Imported welding rod used ...