Dezhou Delian Machinery Equipment Co.,Ltd. is a leading exchangeable mud pump part manufacturer serving the oil drilling industry. From Texas to Alberta, from South America to Middle East, our clients aound the world rely on us for the daily drilling operations. Our Product Lines Our extensive fluid end pump parts includ liners, piston rods, pistons and hubs, fluid end modules and accessories, valves and seats for all major brand mud pumps, OCTG production equipment includ Hydro-Tester, Lengthing Weighing & Marking equipemnts, Coupling Application machine ect. We also offer custom design-built service per our client's drawings and specifications.