COVNA is able to customize a wide range of valve design standards
COVNA Rising Stem Gate Valve used in petroleum.
Client: Rawson Inc
Location: Mexico, Mexico
COVNA Ex-Proof Flange Ball Valve Used In Petrochemical Industry.
Client: Tauber Oil Company
Location: Houston, America
COVNA Worm Gear Butterfly valve used in oil pipeline.
Client: Heaton Valves Africa
Location: Niger, Africa
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