... are specialized in manufacturing concrete pump wear parts for concrete pumps, including Sany, Zoomlion, Putzmeister,Schwing, Kyokuto, Cifa, ... , Sany, Zoomlion, Sermac, IHI, Niigata etc 2. S pipe and related S valve partsFitting to Sany, Zoomlion, Kyokuto, Putzmeister, ... etc 3. other concrete pump spare parts: delivery Pipe(both normal and hardened) , elbow(welding& casting), reducer, rubber ...