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Usage: As the major part of drill stem, drill pipe connected with Kelly and drill collar, which is used to put torque to drill bit and drill collar. M...

Time : Dec,09,2024
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COMPANY PROFILE We(SWS) are specialized in cementing tools drilling tools, and casing accessories, engaging in the development, manufacturing, sales a...

Time : Dec,10,2024
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... power from the rock to the stems. Generally there are male threaded shank dapters and femal threaded shank adapters. Male shank adapte...

Time : Dec,09,2024
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