Construction Machinery: Tunnel boring machines; rock drilling and blasting machinery; geological exploration machinery; underground mining machinery; concrete transport machinery; small excavating machinery; pile foundation construction machinery; underground transportation equipment; underground lifting equipment; anchor spraying support equipment; tunnel lining systems; mud treatment equipment; underground ventilation equipment; integrated duct banks; pumps, valves, pipelines; pneumatic wind equipment; hard drill bits and tools; reducers and variable frequency control equipment; cables; clamps; molds and scaffolding; construction site facilities

Shield and Accessories: Shield machines; shield cutting tools; shield cutter head; tail brush of shield; foam agent of shield; debugging, maintenance, and repair of transmission system; sealing grouting at the tail of shield; hydraulic drainage of shield

Non-Excavation Equipment and Accessories: Curved drilling machine; directional drilling rig; rotary drilling rig; spiral drilling rig; drilling positioning; drilling record; drilling rig; pipe jacking machine; anchor drill tool; drill rod; various pipeline repair equipment and materials; pumps, valves, pipeline network, pipeline construction management technology, pipeline construction ground trenchless mechanical equipment; pipeline detector, pipeline detection technology and equipment, etc.

Surveying, Safety, and Maintenance: Surveying and measuring instruments, tunnel inspection instruments, laser detection instruments, pipeline detectors, GPS positioning systems, cross-section measurement instruments, ground-penetrating radar; construction guidance equipment; fireproof and explosion-proof products; sensor detection equipment; underground lighting equipment; power equipment and generator sets; underground power supply equipment and underground communication equipment; underground monitoring equipment; underground rescue equipment; personnel escape equipment; control systems and software, control and alarm systems, protective devices and systems; hydraulic devices, lubricants, tunnel maintenance

Communication System: Network and software systems, two-way radio systems, management systems, radio systems, telecommunications communications, underground communications, video systems

Building and Special Materials: Waterproof leakage materials, chemical grouting materials, ballast, concrete additives, civil synthetic materials, special sealing greases, waterproof and corrosion-resistant materials, drilling and digging special mud, etc.

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