zuanlongbits@gmail.com

+86-029-82612068

Products Catalog



Email: zuanlongbits@gmail.com

Tel: +86-029-82612068

Fax: +86-029-82612068

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

Coal Mining Drill Tools/impregnated Non Coring Diamond Bit/Non Core PDC Drill Bits,coal Mining Bit

Coal Mining Drill Tools/impregnated Non Coring Diamond Bit/Non Core PDC Drill Bits,coal Mining Bit

PDC Three Wings Concave Drill Bit are mainly used for penetrate the degassing hole, drain hole and grouting hole of coal mine.

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