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Hydraulic Tunnel Rock Longhole Mining Drilling Rig Jumbo for Gas Exploration. Compact Tunnel Design: Width of 1.3m allows passage in tunnels as narrow as 1.4 meters. Multi-Function Operation: Supports geological, triangular, and wide blade spiral drill rods without changing slips. Self-Propelled Mobility: Equipped with crawler system for easy movement and low ground pressure. Centralized Control: Operation platform and electric control panel are centralized for easy operation. Versatile Applications: Suitable for coal mines, metal mines, hydropower, and geological exploration. Customization Options: Full customization, flexible customization, and minor customization available.