hw drill rod 1.HW HWT rods standard size 2.best material,long use 3.boart long year,DCDMA,high quality 4.ISO9001 certificate

HW HWT drill rod/casing :

we can produce NQ HQ,HW HWT 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.

HW HWT drill rod/casing