... locatd in China Carbide City, are specialized in manufacturing concrete pump wear parts for concrete pumps, including Sany, Zoomlion, Putzmeister, ... limit to spectacle wear plate, wear ring, s pipe, chrome bushing, swing lever, intermidiate ring etc. 1. Tungsten carbide wear ... ) , elbow(welding& casting), reducer, rubber seal, pistons, intermiate ring, swing lever etc We can also make the parts by ...