Hebei Copper Mine: Cross-section 4m × 3.5m, rock hardness of 10. Equipped with a WOSERLD hydraulic rock drill on a drilling jumbo. Hole depth: 3.4m. Average drilling time per hole: 1 minute 35 seconds. #DrillJumbo #DrillingRig #RockDrill
Hebei Copper Mine: Cross-section 4m × 3.5m, rock hardness of 10. Equipped with a WOSERLD hydraulic rock drill on a drilling jumbo. Hole depth: 3.4m. Average drilling time per hole: 1 minute 35 seconds. #DrillJumbo #DrillingRig #RockDrill