Tiehu petroleum machinery co., ltd

http://indomonster.com/tiehupetromachine

They are one of important and indispensable units used in oil field to ensure safe operation, mainly for controlling the opening and closing of well-head blowout preventer unit and spray valve unit, to avoid blowout accidents during well drilling and workover. Along with increasingly improved standards for safe operation of oil fields, hydraulic control control system for surface-mounted BOP stacks are widely used in oil field site.

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