HNA specializes in triplex mud pumps and triplex mud pump parts and accessories. If need a quality triplex mud pump or accessory at competitive prices, contact us. 
Qingdao HNA Oilfield Equipment Manufacturing Co., Ltd offer a full line of Fluid End Expendables for popular mud pumps in the world, including Continental Emsco, National, Gardner Denver, Oilwell , Ideco, Wheatly, Wilson, Wirth, OPI, Ellis Willianms, etc. The main products are sold to USA, middle Asia,Canada, Mexco, Middle east, & Russia. 
Our products include
Liners: Hy- chrome Mud Pump Liner, chrome-plated Liner, Hardened Steel Liner
Valve and seat: Premium Cross Arms Valve and seat, Full open Valve and seat, Valve Spring
Piston and piston rods; Long-life Bonded Piston with Rubber and Fabric, Long-Life bonded Piston with Urethane, Replacement Piston, Piston Hub, Piston Rod, Plate, Snap Ring
Other parts: Crosshead, Upper and Lower Crosshead Guide, Extension Rod, Piston Rod Clamp, Threaded Ring, Linder End Cover, Valve Pot Cover, Valve Guide, Cylinder Head, Cylinder Head Plug, Cap, Linder Seal, Valve Cover Gasket, Cylinder Head Gasket and etc.