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Jinan road,Dongying,Shandong,China China
The inside blowout preventer is the necessary tool assigned by the international Association of Drilling Contractors (IADC)in drilling operationns. Wh
The drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centra
except for drill pipe, we also supply other petroleum tools. any more details , please see :xxxxx
The float shoe or float collar is a kind of casing shoe or coupling which can produce buoyancy. With advantages of high temperature resistance, good s
連絡先担当者 Ms. linda lee
住所 Jinan road, Dongying, Shandong
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