BQ NQ HQ PQ water swivel and hoisting plug,any size sub,tap for wireline drill rod(include heavy duty),to the tube will not hurt

China Drilling Geological Equipment ltd., is the 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  

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

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.