- carbide and PDC core bit
- 2017-01-15 12:47
- AQ BQ NQ HQ PQ T2 T6 etc. Diamond core bit, reaming shellshoe bit (syn. and surface-set, PDC)
- water swivel hoist plug for BQ NQ HQ PQ drill rod, include standard and compact plus two type
- 2016-11-02 10:29
- China Drilling Geological Equipment ltd., is the professional manufacturer of drilling tool in china, and specializing i
- carbide and PDC core & nocoring bit
- 2016-10-24 20:31
- China drilling Geological Equipment ltd., is the professional manufacturer of drilling tool in china, and specializing i