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| Integral drill rod has the advantages of eliminating the energy loss at the junctions of the taper drilling tools, resulting in a higher efficiency and avoiding the lose of taper drilling bits.. All the advantages make this drilling steels not only apply to the excavate project, but also the outdoor-drilling downwards, furthermore, integral drill rod extends its application range from that of the taper drill rods to the scope of secondary rock breaking of pick rods.
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Company name:Yueqing Hengrui Tools Co., Ltd.
Status:[Offline] [Send message] [Chat] Business contact:leo ke(Ms.) Telphone:  Mobile:  Fax:  Area: Caribbean Region-Bermuda  Address:room 302,No.89-91,Chenmo Road,Yuecheng town, |