Character New concept New Water-Hammer Powerful drilling Deep hole drilling
Specification Max Drilling depth: 4000m Special Accumulate system-Patent Eco-friendly Drilling method
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Valley Longwall
Valley Longwall International is a market leader in the supply of specialised equipment and allied services to coal mining and bulk materials handling industries.
Boyles Bros Diamantina S.A
Boyles Bros Diamantina S.A. is a company affiliated with Layne Christensen Co., one of the most important companies within the mineral exploration and geotechnical drilling market worldwide.
Hanjin D & B
Launching as a drilling machine manufaturer on Marh 1998, Hanjin D & B has been an outstanding company which has produced many sorts of high-tech engineering and construction machinery for the last 20 years.
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