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</div><div style='margin-bottom:5px;margin-top:10px'> <strong> <a title='Kelly bar for rotary drilling rig' target='_blank'>Kelly bar for rotary drilling rig</a> </strong> from <strong>
<a href='https://www.tradekey.com/company/Xuzhou-Hengxing-Jinqiao-Machinery-Technology-Co-Ltd-8116618.html' target='_blank'>Xuzhou Hengxing Jinqiao Machinery Technology Co., Ltd</a></strong> </div>
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Kelly bar for rotary drilling rig
1.The whole set of kelly bar with light weight, high strength, high linearity of the single section, thin pipe wall, small seam between sections and good wear resistance of internal and external keys, it greatly satisfies the special requirements
