Include standard , backend reaming shells, two ring reaming shells and carbide locking couplings surface set imp. & oversized

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)

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

2.Core barrel: BQ NQ  NQ2 NQ3 HQ HQ3 PQ PQ3 & 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, water swivel, overshot, outer tube & inner tube wrench, foot clamp,etc.

The Reaming Shells AQ BQ NQ HQ PQ T2 T6, surface set and mpregnated,