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Jianhu Hongda valve fittings Co., Ltd
(86)0515-86309888
wqc@hdvalve.com
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Oil ( gas ) wellhead device
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Blowout preventer
Manifold
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Oil ( gas ) wellhead device
Valve
Blowout preventer
Manifold
Casing head
Other
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Products
Ball screw drive valve
Ear loop
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