China Drilling Geological Equipment ltd., is the professional manufacturer of drilling tools 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),and have the CQC (ISO9001:2008). 

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, PQ, BTW, NTW, NT, HT, AW, BW, NW

2.Core barrel: BQ，NQ，HQ，PQ , BTW, NTW head assembly and core barrel parts  

3.AQ，BQ，NQ，H Q，PQ, NQ3， HQ3， PQ3， BTW, NTW, 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.