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Drilling Rod: made by CNC, and multi-heat treat, with premium alloy steel BQ,NQ, HQ, PQ core barrel,overshot,diamond core bit, - details see: https://www.machineto.com/bq-nq-hq-phd-hwt-btw-ntw-drill-rod-multi-heat-treat-5ft-and-10ft-10316893

China Drilling Geological Equipment ltd., is the professional manufacturerof drilling tool in china, and specializing in the design and manufacture of premium diamond drilling tools for the world engineering: geotechnical exploration, Mining exploration, Oil exploration and hydrapower station grouting project ( wireline core drilling and double-tube core drilling)

We produce a wide range of drilling tool including drill rod, wireline core barrel (AQ-PQ) and assemblies, synthetic diamond core bits, natural diamond surface-set core bit, PDC bits (core or noncoring), casing shoes, reaming shells, overshot, hoisting plug, water swiel, wrench.

These are all manufactured to the strictest quality standards as British / Swedish / DCDMA / CDDA / Metric standards, and used around the world in a great variety of applications. We are the member of the National Drilling Association (NDA). We are committed in carrying out advanced technological research, and providing customers with products of outstanding quality and satisfied service.

1.Drill rod: BQ, NQ, HQ , PQ , NT, HT, BTW, NTW

casing tube: BW, NW, HW, HWT

2.Core barrel: BQ NQ NQ2 NQ3 HQ HQ3 PQ PQ3 BTW NTW head assembly and parts

3.AQ-PQ, BTW, NTW, HTW, T2, T6 etc. Diamond core bit, reaming shell & shoe bit (syntheyic and surface-set, PDC)

4.Drill tool: hoisting plug, water swivel, overshot, outer tube & inner tube wrench, foot clamp,etc.