chinacoal07 https://www.chinacoalintl.com https://m.chinacoalintl.com/ we provide service of enterprise's customs declaration, inspection.' ZDY-1250 M ining T unnel D rilling M achine Chinacoal07 : mining tunnel drilling machine; hydraulic tunnel drilling rig; tunnel drilling rig Product Introduction ZDY hydraulic tunnel drilling rig are mainly used for drilling holes for water exploring and injection, gas exploring and discharging, geological exploring, bolting on slope and other drilling works. Main Characteristics 1. This drill adopts hydraulic drive mechanism, has great capacity of drilling, high speed, simple operation, stable and reliable work. 2. It consists of main frame, pump station and operational panel. With the split type structure in the main frame, it is easy to disassemble and transportation. 3. It points column frame and mount two drill stand form, can choose according to level of the coal mine roadway and the use of different drilling. ...