Concrete Pump Spare Parts: Fitting Ring/Intermidate Ring Better Price, Better Quality, Prompt Delivery We, Zhuzhou Jian Da Co.,Ltd , locatd in China Carbide Base----Zhuzhou City, are specialized in manufacturing concrete pump wear parts for concrete pumps, including Sany, Zoomlion, Putzmeister,Schwing, Kyokuto,CIFA, Sermac, Niigata, Mitsubishi, IHI, Waitzinger , Reich etc. Our products mainly ...