Armed with little more than determination we produced our first professional core drill rig and core drill motor with German design and technology. As the years passed,we continued the tradition of innovation and technical achievements such as in the item of diamond core drill,drilling lift, floor grinder, petrol post driver, petrol jack hammer..etc Till now,we hold the most professional and complete range of core drill rigs and core drill motors, floor grinders, petrol tools...etc. There are two brands in our company, BYCON and THRALL, Bycon focuses on diamond core drill machines and other construction equipment. Thrall is a sub-brand for petrol tools.