We supply API Spec 7-1 Kelly Valve,КШЦ ,Kelly Cock,Drill Pipe Safety Valve,Safety and Kelly Valves,Upper Kelly Valve,Lower Kelly Valve,Kelly Cock Valve,ball type Safety and Kelly valves, TIW Kelly Valve,Stab-In Safety Valve,Mud
Saver Valve, .The valve with metal to metal seals.available in 10,000 psi and 15,000 psi working pressure as standard.
Jining Donghong Machinery Co., Ltd
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www.dhparts.com
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dh@dhparts.com
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