Hengyuan is located in a well-known city named Yantai, which is famous for its scenic beauty. The transportation is very convenient, close to airport, harbor, railway station and Highway.We are one of the leading professional manufacturers of concrete pump parts in China. Our product range mainly covers wear-resist pump pipes, straight pipes, elbows and bends,reducers,couplings,flanges,rubber hoses, ru 详细介绍