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XPS-15 Simple Operation and Stable Drilling Tunnel Horizontal Jet Grouting Drill Rig. A special equipment designed for implementing advanced pre-support in tunnel construction when encountering weak underlying layers such as wind-blown sand. Using the rotary jet grouting construction method, a closed rotary jet grouting pile curtain is formed before the tunnel excavation, effectively preventing water infiltration and stabilizing the sand. It can also be equipped with various drilling tools for slope disaster control, such as anchor rods and other operations.