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Jiyuan Sanhezhengyuan Petroleum Machinery Co., LTD
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Jiyuan Sanhezhengyuan Petroleum Machinery Co., LTD
Jiyuan Sanhezhengyuan Petroleum Machinery Co., LTD
China

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    drill collar
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    drill collar

    Quantity Order:
    Origin:
    China
    Payment Method:
    L/C
    Pack. & Delivery:
    ¾Ý¿Í»§ÒªÇó

    Specification :

    Drill collar
    Drill collars are made of 4145H modified Cr Mo alloy steel, which are manufactured according to API Spec 7 and SY/T 5144 standard.
    We can supply all kinds of connections for our drill collar.
    All threads are phosphated, cooperised or cold worked.
    We can process elevator recess, slip recess and stress relief slot according to customer¡¯s needing.
    We provide thread protectors free.
    Welcome your enquiry!

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