... coal mine, ore mine, stone quarry, energy industry, geological exploitation. Deep well drilling machine characters:1) Designed for both water well ... accessories, like rod, bit, core barrel, rope, and so on. Deep well drilling machine technical parameters: ModelDLX-130YDLX-180YDLX-200YDLX-3YDLX ... the Contract First and Laying Stress on the Prestige etc. Professional deep well drilling machine for sale