... 30,000~80,000CBM 4.Material: T.C. Concrete pump spare parts manufacturer 1. Type: hardfacing, Tungsten carbide, 7 shape T ... %Gas Hole Ratio≤0.01%Leading manufacturer for concrete pump spare parts, fitting to Putzmeister, Schwing, Kyokuto, Sany, Zoomlion, Sermac, IHI, ... . S pipe and related S valve parts3. other concrete pump spare parts: delivery Pipe(both normal and hardened) , elbow(welding& casting), ...