Underground Pipeline Slurry Compound Balance Pipe Jacking Tunneling Boring Machine. Advanced Crusher System: Equipped with cone crusher and cross arm to crush clods and stones for slurry excavation. High Wear Resistance: Wear layer height 3-5mm with hardness above HRC56 and brazing strength over 245Mpa. Robust Shell Construction: Shell thickness not less than 25mm, made as a whole part to avoid deformation. Intelligent PLC Control: Features motor protection, 5-second delay stop, and 3-day deviation recording for safety. Swing Bearing Design: Main drive adopts swing bearing design similar to Herrenknecht and MTS for high reliability. Comprehensive Warranty: 12 months warranty covering spare parts and service fees for quality and assembly issues. 24/7 Global Support: Overseas commissioning engineers, 24/7 hotline, and fluent English support available.