A full range of oil drill pipe tool joint coupling manufacturers in China

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Drill pipe tool joint is an important connecting component of petroleum drilling pipe drill, which is widely used in oil drilling industry.
Our products:
1:Tool Joint: NC26, NC31, NC38, NC40, NC46, NC50
2:Type of Tool joint: NC, IF, FH, XH, REG
3:Material: 40Cr, 35CrMo, 4137H
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