Email: zuanlongbits@gmail.com
Tel: +86-029-82612068
Fax: +86-029-82612068
Address:No 66, Changming Road, Xi'an, Shaanxi Province, China
Contact NowUSA Best Selling Rock Drilling PDC Reamer Drill Bit/Expanding Hole OpenerZuanLong PDC hole opener was originally developed for coal mining and it has been proved to be exceptionally cost effective for geotechnical drilling. PDC core bits have extremely fast penetration rates and a very long working life. The cutters are extremely tough and can core formations such as hard...Read More
Contact NowSintered Pillar Drill Bit With Matrix Body ,Best Price PDC Matrix Body Bit For SaleZuanLong PDC Sintered concave drill bit is mainly used for drilling soft-medium formation, such as mud shone, limestone, shale, sandstone and granite etc, it has been wildly used to penetrate the degassing hole, drain hole and grouting hole of coal mine, water, road construction, bridge and building. And...Read More
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No 66, Changming Road, Xi'an, Shaanxi Province, China
+86-029-82612068
+86-029-82612068