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Circulating Sub


Company Profile Tel :86-755-82096879, 86-755-82092295, 86-755-82092297 Fax:86-755-82237263 Tel :86-21-58200970, 86-21-58200979 Fax:86-21-58208399 Tel :86-996-2255202 Fax:86-996-6787968 Tel :00852-21395784 Fax:00852-21395784
Circulating Sub
The circulating sub is a specialized tool for circulating drilling fluid when running in casing on the way or finishing running casing downhole.According to actual needs.There are circulating sub with casing thread and circulating sub with union thread.
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