... carbide, 7 shape T.C 2. Application: Putzmeister trailer and truck mounted concrete pump 3. Lifetime: 30,000~80,000cbm based ... Hole Ratio≤0.01%Leading manufacturer for concrete pump spare parts, fitting to Putzmeister, Schwing, Kyokuto, Sany, Zoomlion, Sermac, IHI, ... pipe and related S valve parts3. other concrete pump spare parts: delivery Pipe(both normal and hardened) , elbow(welding& casting), ...