SCHWING KIDNEY SEAL: TUNGSTEN CARBIDE TYPE We, Zhuzhou ... parts for concrete pumps, including Sany, Zoomlion, Putzmeister,Schwing, Kyokuto,CIFA, Sermac, Niigata, Mitsubishi, IHI, Waitzinger ... 7 shape T.C. type)Fitting to Putzmeister, Schwing, Kyokuto, Sany, Zoomlion, Sermac, IHI, Niigata ... hardened) , elbow(welding& casting), reducer, rubber seal, pistons,coupling, intermiate ring, swing lever etc We ...