Specifications

1.cemented carbide drill bits for well drilling tools
2. the best manufactuer in ZHUZHOU China
3. the most types available

 

Advantages of our   cemented carbide  drill bits for well  drilling hand tools:
   1. made from 100% virgin raw material.
   2. produced with advanced equipments and process.
   3. all products go through in-process and final inspection.
   4. free online technical service available.
   5. stable and continuous production ability.

: