The ZEGA underground single arm tunneling series drilling rig is widely used in underground mining, small tunnel excavation, and anchor hole reinforcement projects. Its carefully designed appearance, matching, system control, and other aspects will provide customers with a better perforation experience.

UJ21 is designed for international standard tunnels, equipped with high-end and powerful features. It can also be optionally equipped with a drill rod replacement mechanism, which expands the anchor rod function on the basis of excavation function.