- Advance borehole drilling; advance support; direct observation of lithology change; easy to draw geological map. - Hardox plate, composite chromium-carbide wear-resistant plate as well as hard alloy block with high wear resistance are materials of the cutter-head, which ensures long service time. - Double row cylindrical roller thrust bearing is used in the masterdrive, ensuing long service lifetime and high safety. - Reliable and high-efficient PLC control system, real time on-line monitoring and data collection. - Innovative multi-material transport system ensures safety and high efficiency in the process of material transportation. - Equipment is easy to dismantle and install due to proper allocation of equipment. - Foam system with single tube and single pump performs reliably and its injection parameters can be consecutively adjusted.