* One year quality guarantee

*Spare Parts are available at factory price

* Quick response by professional engineers and sales team

* Face-to-face training in clients' worksite or free training in our factory

Why Choose Us


Zhengzhou DEFY is recognized world-wide as the industry leader in borehole, exploration drilling technology.

Manufacturing different drills for a broad range of surface applications, we offer solutions for shallow and deep hole drilling, small or large diameter core, for dth hammer and mud pump drilling, for both wire line and conventional drilling, and a variety of mounting options such as trailer, crawler, truck mount and flyable versions to suit many applications.