The AS12/800 drilling machine, which designs and manufactures at home, is the only one large-scale shaft drilling machine of present world which can construct the 12m shaft diameter, the 800m depth new coal mine.

• AS12/800钻机是国内设计制造的目前世界上惟一一台可施工12 m井径、800 m深度井筒的新型煤矿大型竖井钻机;