Heilongjiang North Shuangjia drilling tools Co.,Ltd.: Main products: Downhole Drilling tools, Stabilizers, Roller reamers, Hole openers etc., Jars: Drilling jar, fishing jar, Jar intensifier, Casing running tools: mechanical type and internal type, Kelly valve, FOSV, IBOP, Drop-in check valve etc., Fishing tools: Overshot, spear, Mills etc.

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Grace Wang

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Heilongjiang North Shuangjia drilling tools Co.,Ltd. AIBot Online

Grace Wang
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