We(HNA) are a manufacturer of oilfield equipment.
We mainly produce Mud Pump, such as...

HNA offers four different type of Liner for all popular mud pumps to suit any drilling...

The Stem Guided valve and seat and the Wing Guided valve and...

HNA can offer bonded urethane piston and pistons with replacement rubbers, and the latter...

HNA also supplies other expendable fluid end parts such as Threaded Ring, Liner Clamp, Rod...