Product introduction：DW1-50E fully computerized single-arm rock drilling rig is a new intelligent high-end rock drilling equipment, specially developed and designed for mining, high-speed, high-speed rail, water conservancy and hydropower and national defense tunnel construction rock drilling, suitable for 4x4-7x6 .8m roadway operation, the truck adopts the full computer intelligent control system to control the drill arm with high precision and one-button automatic rock drilling operation according to the pre-designed hole layout, which effectively reduces the construction difficulty of the operator, and the precise positioning of each angle reduces the tunnel construction. The over- and under-excavation of the tunnel makes it easy, efficient and high-quality in tunnel drilling.