Jinzhou City Shitan Machinery Equipment CO. LTD.
                                                                                                           
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Tunnel Drilling Rig High Efficiency Solution

Others
2026-07-20
This video explains the main functions and practical uses of the ZDY250 Tunnel Drilling Rig in a clear, step-by-step format. You'll see how this high-efficiency hydraulic rig operates in real tunnel environments, learn about its all-direction positioning capabilities, and discover its applications in anchor installation, geological exploration, and underground construction projects.