Introduction

Zhengzhou LD Diamond Products CO., LTD is a enterprise that specializes in the
PDC drag bit PDC drill bit PDC cutter PDC core bit

Lastest Products

PDC rib core bit/core bit for f

PDC core bit

steel or matrix coal mining drill bits /...

3 or 4 wings 65 75 113 133mm PDC drill b...

hole drilling bits/mineral exploration b...

non core PDC bit/PDC drag bit/concave PD...

PDC drag bit/PDC concave drill bit

three wings pdc drag bit/drilling bits w...