HNA offers 5 different styles of valves & seats to fit your drilling needs, suiting to almost all popular mud pumps in the world.
The Stem Guided valve and seat and the Wing....

HNA can offer bonded urethane piston and pistons with replacement rubbers, and the latter ones include single action and double action.
Pistons with replacement rubbers:
This....

HNA offers four different type of Liner for all popular mud pumps to suit any drilling condition, including Premium Chromium Liners, Ceramic Liners, Chromium-plated Liners and....

Power end parts:
HNA supplies power end parts such as crank shaft, pinion shaft, crosshead, bull gear, pulsation dampener, frame and so on for following triplex mud pumps:
EMSCO: F....

Our Products are designed to fit mud pumps of Emsco, Gardner- Denver, National, Oilwell, Ideco, Skytop/ Brewester, as well as OPI, Wirth, Wilson and Gaso. Our products include....

Model: F-1000
Type: Triplex liner single-action
Input power: 1000 HP
Maximum stroke: 10inches ( 254mm)
Maximum working pressure: 5, 000 psi ( 35 MPa)
Gear type: integral herringbone....