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  1. Unionlever (Group) Petroleum Equipment Co.,Ltd.

    Thread protector for Casing Tubing




    Thread protector of casing and tubing have three produce types,and meet API 5CT 9th Edition specification.
    All Plastics
    All plastic protectors are made of HDPE by molded in injection machines. Thread is molded or threaded by CNC.
    Steel – Plastic Assembled
    Outside steel and inside plastic for PIN, inside steel and outside plastic for BOX, and CNC threaded to provide excellent performance in all API tests. Steel – Plastic Assembled
    thread protectors are now widely used in the world.
    Composite – COM
    With steel cage encapsulated in plastic, composite thread protectors are very strong with high dimensional stability, anti-corrosion. 

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