Our spindle type drilling rig can not only meet the needs of geological exploring but also being widely used in water conservancy and power engineering, railway, highway and bridge construction. The drilling depth of XUL-100, HGY-200, HGY-300,HGY-1500 series drilling machine is 100m, 200m, 300m, 1500m respectively. ZL-700, ZL-1700, ZL-2800 are specially for drilling in coalmine. We also supply all kinds of drilling accessories such as drilling rod, coupling, barrel etc to meet customers' demand.