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+86-029-82612068

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Email: zuanlongbits@gmail.com

Tel: +86-029-82612068

Fax: +86-029-82612068

Address:No 66, Changming Road, Xi'an, Shaanxi Province, China

Coal Mining Use Pillar PDC Drill Bit For Sandstone, Limestone, Clay Geological PDC Core Bits

Coal Mining Use Pillar PDC Drill Bit For Sandstone, Limestone, Clay Geological PDC Core Bits

Zuanlong PDC Pillar Drill Bit has been wildly used to coring-drilling for geological exploratory of coal measure stratum. The normal type is suitable for the f<=10, the reinforced type is suitable for f<=16. Note: Customization are available

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