Qingdao Hai Nuo Ao Sci-industrial & Trade Company has been engaged in manufacturing high quality mud pump parts and accessories since early 1990’s. The main products are sold to USA, Mid-Asia, Canada, Mexico, Middle East and Russia. The mud pumps are used in oil drilling and mining. We can supply series of mud pumps( like F-500, F-800, F-1000, F-1300, F-1600 and PZ-9 )and a full line of fluid end expendables for popular mud pumps in the world, including Continental Emsco, National, Gardener Denver, Oilwell, Idero, Wheatly, Wilson, Wirth, OPI, Ellis Willianms, Skytop/Brewster, etc.