SINCE 1997,HNA has been an integrated engineering & manufacturing specialist recognized worldwide for its unique WORLD LEADING USA IMPORTED POLYURETHANE, HIGH PRESSURE Technology, as well as HIGH PRESSURE FORGING, INVESTMENT CASTING,WORLD TOP CLASS HEAT TREATMENT, PRECISE MACHINING Technology and high quality products in the O&G industry, by designing and fabricating HNA Valves & Seats & Inserts & Springs for Triplex and Quintuplex plunger pumps, which are 100% interchangeable to most of the global famous brands, and customized design and production available.  

HNA Plunger/Frac Pump Valve & Seat & Insert & Spring Interchangeable Pump Model:

Halliburton : HT-400

WEIR SPM: TWS 600S   TWS 2250

          QWS 1000S  QWS 2500

          TEM 2500   QEM 3000

Gardner Denver: GD 2250  GD 2500

OFM: OFM2000  OFM 2500  OFM 2500Q  OFM2800  OFM 2800Q

Cooper OPI: OPI-1800

JR: JR 2800QP  

SJ: SJ 3000 SQP2500  SQP 2800