Putzmeister S valve type wear plate and wear ring 1. welding type 2. ... Carbide City, are specialized in manufacturing concrete pump wear parts for concrete pumps, including Sany, Zoomlion, ... etc. 1. Tungsten carbide wear plate and wear ring(normal T.C. type and 7 shape T.C. type ... other concrete pump spare parts: delivery Pipe(both normal and hardened) , elbow(welding& casting), reducer, rubber seal ...