Underground Mining

Coal-mining equipment: drum shearers, plow-type shearers, auger shearers, and related spare parts

Working-face support: hydraulic supports, end-of-face supports, transition supports, roadway supports, single hydraulic props, metal roof beams, and associated components

Working-face conveying equipment: face scraper conveyors, transfer machines, face crushers, self‑propelled belt conveyors, Matik systems (self‑propelled head units for transfer machines and tail units for belt conveyors), and scraper conveyor spare parts—chain links, round-link chains, pillar winches, and dispatch winches

Underground Tunneling

Mechanized tunneling equipment: full-face roadheaders, shield machines, rock drills, partial-face roadheaders, cantilever roadheaders, drill‑anchor machines, continuous miners, integrated drill‑anchor‑support machines, micro‑shields, pipe jacking machines, shaft tunneling rigs, reverse shaft tunneling rigs, chamber tunneling machines, inclined shaft tunneling machines, and related spare parts

Mine‑method tunneling equipment: drilling rigs, bolting rigs, rock drills, wet‑spraying rigs, shotcrete machines, chipping vehicles, and drill‑and‑blast integrated machines

Auxiliary systems: segment‑assembly machines, loaders, side‑dump mine cars, underground scrapers, underground ore‑transport trucks, chain‑driven conveyors, and scraper conveyor spare parts—round‑link chains

Support tools: bolt‑drilling rigs, roadway repair machines, tensioning devices, rock‑drilling rods, drill bits, bolts, anchor cables, anchoring agents, and anchor‑mesh fastening machines

Underground Transportation

Belt conveyance: belt conveyors, air‑float belt conveyors, belt transfer machines, roller‑covered belts (with vulcanized rubber), self‑propelled tail units, conveyor belts, belt fasteners, belt‑repair technologies, idler rollers, cleaners, backstops, alignment devices, and brakes

Auxiliary transport—railway transport: battery‑powered locomotives, overhead‑line locomotives, oil‑extraction traction vehicles, underground passenger cars, flatcars, mine cars, shuttle cars, hopper trains, car dumpers, pushers, climbing vehicles, car stoppers, monorail hoists, monorail locomotives, aerial passenger carriers, rack‑and‑pinion locomotives, and cogwheel cars

Auxiliary transport—non‑railway transport: winches, rubber‑tired vehicles, rubber‑tire locomotives, and lifting equipment

Mine hoisting: hoists, skip buckets, cage elevators, bucket lifts, hoist guides, brakes, fall‑prevention devices, and inclined‑shaft hoisting equipment

Coal‑mine Electromechanical and Power Systems

Mine power supply and distribution: mobile substations, transformers, switchgear, feeder switches, high‑voltage and low‑voltage inverters, electromagnetic starters, leakage protection devices, protective relays, low‑voltage protection boxes, reactors, capacitors, electrical control cabinets, mining cables, and cable connectors

Electric motors: explosion‑proof electric motors, standard electric motors, permanent‑magnet motors, power generation equipment, diesel engines, and other prime movers

Pumps: emulsion pump stations, mist‑spraying pump stations, hydraulic pumps, piston pumps, grouting pumps, fracturing pumps, and cooling‑water pumps

Hydraulic transmission: hydraulic motors, reservoirs, cylinders, hydraulic actuators, hydraulic control valves, bearings, couplings, accumulators, gearboxes, reducers, backstops, torque limiters, oil lines, hoses, pipe joints, protective sleeves, coolers, heaters, filters, filter elements, liquid level gauges, and sealing components

Compressed‑air equipment: mine air compressors, pneumatic motors, air filters, oil‑water separators, air bags, gas storage tanks, and air distribution networks

Drilling rigs: directional drilling rigs, roof‑cutting drilling rigs, tunnel drilling rigs, deep‑hole drilling vehicles, and reverse‑shaft drilling rigs

Coal‑mine Auxiliary Production Systems

Drainage equipment: submersible pumps, slurry pumps, centrifugal pumps, and mine‑water treatment facilities

Ventilation equipment: centrifugal and axial fans, local ventilation units, dust suppression systems, dust‑removal fans, reverse‑flow devices, diffusers, ducts, and intelligent pressure‑free air doors

Communication and lighting equipment: wireless communication systems, mine‑dispatch broadcasting systems, video surveillance systems, miner’s lamps, charging racks, mine phones, and explosion‑proof lamp fixtures

Safety production and rescue: safety monitoring systems, underground fire‑fighting systems, nitrogen‑generation equipment and pipelines, gas detection and extraction systems, water‑exploration tools, underground life‑saving capsules, and mine self‑rescue and emergency response devices

Environmental protection equipment: mine environmental protection and land reclamation measures• Gangue backfilling equipment, underground mining equipment for the “three-under” conditions, wastewater treatment solutions, and production‑and‑living‑wastewater treatment equipment

Automation Control and Coal Mine Intelligence

Coal mine automation control: fully mechanized longwall automation and intelligent systems, tunneling automation control systems, unmanned intelligent mine‑transportation systems, mine hoisting automation systems, intelligent ventilation systems, intelligent power distribution and monitoring systems, pump‑station monitoring systems, coal‑washing and sorting equipment monitoring, mine‑pressure monitoring systems, unattended integrated management systems, intelligent operation‑and‑maintenance management systems, and underground personnel management systems

Coal mine intelligence‑related technologies: explosion‑proof computers, switches, industrial servers, fiber‑optic and RF communication devices, remote controllers, sensors, radar, IoT solutions, iris recognition devices, and coal‑mine robots

Coal Processing and Utilization

Coal‑washing and sorting equipment: screening equipment, intelligent dry‑sorting equipment, intelligent coal‑gangue separation robots, screen plates, filter presses, jigging machines, flotation machines, and heavy‑medium cyclones

Coal processing and utilization: coal chemical engineering, coal‑to‑oil technologies, and clean‑coal technologies

Open‑Pit Mining

Open‑pit mining equipment: open‑pit coal miners, electric shovels, hydraulic excavators, bucket‑wheel excavators, drilling rigs, and drilling machines

Transportation equipment: loaders, mining trucks, electric wide‑body vehicles, scraper loaders, and mining dump trucks

Auxiliary equipment: gyratory crushers, jaw crushers, and generator sets

Mining Services and Engineering

Service trade: design services, consulting services, agency trading, media services, government agencies, industry associations, education and training, labor services, financial services, leasing, insurance, used‑equipment trading, occupational safety and health, software, and coal‑machinery e‑commerce

Exploration, shaft construction, and engineering: geological exploration, mine surveying, mine‑shaft construction, engineering contracting, entrusted operations, turnkey projects, coalbed methane development and utilization, mine cooling, and entrusted operation of coal‑washing plants

Mining Supplies, Tools, and Manufacturing

Mining supplies and materials: mining oils (lubricants), emulsions, concentrates, antifreeze fluids, non‑metallic safety materials, safe blasting materials, chemical products, wear‑resistant materials, steel plates, rails, wire ropes, testing services, cemented carbide, cutting tools, lithium‑battery power sources, mine‑specific tires, and rims

Mining tools, instruments, and meters: hand tools, electrical tools, power tools, geophysical exploration equipment, measuring instruments, temperature, gas, and pressure monitoring devices, coal‑quality analysis instruments, and automated instrumentation

Manufacturing processes: laser cladding, remanufacturing, equipment repair, welding technologies, welding consumables, forging, honing, and internal spray coating