Boring non-standard equipmen

Boart Longyear created the first mechanically a set in design superficial and bit in the 1930th years about instant success in African gold and copper of investigation.Drillers relied solely on high quality surface-set technology until the advent of our impregnated diamond technology which revolutionized productivity for much of the industry. Drillers to rely only on high quality of technology a superficial set before emergence of our impregnated technology of diamond which made revolution of productivity throughout the most part of the industry.