HTT has been dedicated to deep hole drilling technology since 1997. Currently, HTT employs over 200 people across three business units. We can design, manufacture and service deep hole drilling machines. We can also offer gun drilling job shops. Because of our extensive knowledge and experience in deep drilling machine, tooling and process, HTT is capable of providing our customers solutions across a broad spectrum of industries. Our gun drilling machines have been purchased and utilized by major clients in auto, agricultural, energy and manufacturing industries throughout Europe, the USA, Japan, China and South America. To best serve our customers and distributors we offer the convenience of HTT-USA in Grayslake, Illinois and HTT-Europe in Frankfurt, Germany.