1.  button drill bits, such as R32-45mm, T38-64mm, T38-76mm full range,
2. thread connection: R25/R32/R28/T38/T45/T51 all series,
3. Drill rod: T38/T45  and so on, solder tail supporting Atlas / Furukawa / Japan, etc.
4. Down-hole bit  from 90mm 100mm, 105mm, 115mm, 130mm, 140mm, 152mm 165mm 178mm, etc.
 products are
a. certification: ISO9001:2008
b. having sufficient experience of explorting to 30 countries all over the world, and our items haved obtained our clients approval
c. lower your drilling cost and have speedy delivery