
High-Performance Multi-Functional Crawler Engineering Drilling Rig for Sale. Advanced TJS Method: Employs Tunnel-based Jet Grouting System for precise reinforcement in soft soil and tunnel engineering. Compact Tunnel Design: Specifically engineered for confined urban underground spaces and tunnel interiors. Multi-Directional Reinforcement: Capable of horizontal, vertical, and inclined reinforcement up to 20m depth. High-Speed Rotary Torque: Delivers 5,300 n.M torque for efficient drilling operations. ISO 9001:2015 Certified: Manufactured under strict quality management standards for consistent reliability. 24/7 Technical Support: Dedicated team provides online and offline support with complimentary assistance. Minimal Ground Disturbance: Precise spoil discharge control minimizes impact on surrounding soil and structures. High Efficiency Operation: Allows simultaneous multi-unit operation to substantially shorten construction schedules.