Akpụkpọ ụkwụ casing diamond dị ime

Nkọwa dị mkpirikpi:

Ebe Mmalite: China
Aha ika: JCDRILL
Nọmba Model: AW BW NW HW HWT PW PWT SW
Ụdị: Ngwá Ọrụ Ndị Na-egwupụta Ihe / Ngwa
Ihe: diamond / steel
Jiri: Ngwuputa ihe, Geotechnical, Exploration
Aha: Diamond Core Drill Bit