... China Carbide City, are specialized in manufacturing concrete pump wear parts for concrete pumps, including Sany, Zoomlion, Putzmeister, ... S pipe and related S valve partsFitting to Sany, Zoomlion, Kyokuto, Putzmeister, Waitzinger etc 3. other concrete pump spare ... parts: delivery Pipe(both normal and hardened) , elbow(welding& casting), ...