Chna Drilling Co.--Premium drill pipe BQ NQ HQ PHD, multi-heat treat

Our drill rods are all manufactured by CNC machines,and made of high quality alloy. 3m &1.5m, multi-heat treat. include BT NT HT

China Drilling Geological Equipment ltd., is the main professional manufacturer of 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.  

1.Drill rod: BQ, NQ ,  HQ, PHD, BT, NT, HT  and BW,  NW,  HW

   casing tube: BW, NW, HW, HWT

2.Core barrel: BQ,NQ,HQ,PQ , head assembly and assembly  

3.AQ,BQ,NQ,HQ,PQ, T2, T6 etc. Diamond core bit, reaming shell & shoe bit (syn. and surface-set, PDC)

4.Drill tool: hoisting plug(standard and heavy duty), water swivel(compact plus and standard), overshot, outer tube & inner tube wrench, foot clamp,etc.