Profile: Dezhou Delian Machienry Equipment Co,.Ltd. is a manufacturer of exchangeable mud pump parts. Our products are widely used in oil drilling industries. Our extensive fluid end pump parts include liners, piston rods, pistons & hubs, fluid end modules, and valves & seats for mud pumps. We also offer OCTG production equipments, which include hydro-testers, lengthing weighing & marking equipemnts, and coupling application machines. We also offer custom design-built service as per client specifications. Zirconium ceramic liners feature a forged steel outer hull and a zirconia inner sleeve. Hardness and wear resistance of zirconia also translates into longer service from the urethane and rubber pistons.