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Professional Drilling tools Manufacturer, Full Range of Drill Pipe and Custom Solutions

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East of Beikou, Yingli Town, Jinzhou County, Shijiazhuang City, Hebei Provice, China.

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+86-311-84386267

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8619930526066

Crossover Sub

API conversion joints designed to connect different thread types and sizes. Available in male–male, male–female, and female–female configurations. Manufactured from 4145H alloy steel. Standard lengths are 36 inches or 48 inches, with custom thread combinations also supported.

Lifting Sub

API lifting subs for pipe handling operations. Available in Type A (18° shoulder) and Type B (90° shoulder), manufactured from high-strength alloy steel. Provide attachment points for lifting equipment and support custom dimensions.

Tool Joint

API drill pipe joints, used for connecting drill pipes, comprise both a male (Pin) and a female (Box) end. They are manufactured from high‑strength alloy steel, with threads machined to precise tolerances. Available in a variety of thread types—including NC, IF, FH, REG, PAC, SLH, and DS—and capable of accommodating custom thread specifications.
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