Outburst prevention and efficient spiral drill rod

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Outburst prevention and efficient spiral drill rod 75 outburst prevention outburst prevention drill rod and 69 drill rod are winding the drill pipe,it is not only a kind of rock drill rod, but also gas discharge rod. 75 drill rod is light weight outburst prevention drill pipe high elasticity, not easy to bending characteristics of the automatic regulating cardiac function, smooth operation. Water injection rod, like round steel rod work can complete the depth of drilling work, outburst prevention drill rod is mainly used for outburst prevention drill and rock drill. 75 outburst prevention drill rod work with hand-held pneumatic drill or reinforced supporting coal electric drill, can drill 8-30 meters Madery Jining Hengwang Mining Machinery Co., Ltd. Website: http://www.hengwanggk.net E-mail: maderyhengwang AT hotmail.com Skype: maderyhengwang Trademanager: cn1501554236 Mob: +86-13668679003 Tel: +86-537-2581138

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Jining Hengwang Mining Machinery Co., Ltd.

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