high quality AQ NQ HQ drill rod
hq drill rod 1.HQ rod:88.9*5.6mm,standard size 2.3m weight:34kg 3.boart long year,DCDMA,high quality 4.ISO9001 certificate
high quality AQ NQ HQ drill rod :
HQ drill rod:88.9mm*5.6mm thickness,standard size.
we can produce NQ HQ diamond core bit,reamer shell,core barrel,drill rod and other drill tool used for geological drilling,rock drilling,well drilling.
We can manufacture all kinds of bits and shells according to customer's special requirement. Any requirement please contact us, we'll do the best service for you. Hope we can establish a good business relationship.
high quality AQ NQ HQ drill rod
