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+1 414 534 3507

155 Fairfield Court Oak Creek, WI 53154, USA

About us

HTT have being dedicated to deep hole drilling technology since 1997. HTT currently employ over 200 people including three business units:

1) Machine
Design, manufacture and service deep hole drilling machines.

2) Tooling
Distributor of Germany gun drill and tooling Botek. (

3) Gun drilling job shop
Have 10 wholly owned deep hole drilling job shops.


Because of the knowledge and experience in deep drilling machine, tooling and process. HTT is capable of providing our customers no matter what industry they serve a complete deep hole drilling solutions.

Our gun drilling machines have been well accepted by many well known customers in Europe, USA, Japan, China and South America in auto parts manufacturing, gas and energy, fire arms, mold and die making, animal and chicken feed.
In order to serve our customers and distributors, HTT USA Inc. and HTT Europe were established in Wisconsin, USA and Frankfurt, German.

about us