HT71 All hydraulic drilling jumbo is the first choice for no sill pillar and high-sublevel caving in non-ferrous metal mine. It can meet the specific drilling requirement of versatile positioning with reliable sliding table and rotary boom positioning system, high accuracy drilling, high-power HC109PR drifter, mechanized and high performance, and advanced electric hydraulic controlling technology. Stopping in front of a large cross section at a time, it can greatly improve blasting output per unit by drilling parallel and medium-length blastholes.