China (Hefei) International Mining Technology Exchange and Equipment ExhibitionChina Mining Expo

Underground Mining

Coal-mining equipment: drum shearers, plow-type shearers, auger shearers, and spare parts for coal-mining machines

Working-face support: hydraulic supports, end supports, transition supports, roadway supports, individual hydraulic props, metal roof beams, and accessories for hydraulic supports

Working-face conveying equipment: face scraper conveyors, transfer machines, face crushers, self‑moving belt systems, Matik (self‑moving units for the head of transfer machines and the tail of belt conveyors), and spare parts for scraper conveyors—chain components, ring‑link chain components, pillar winches, and dispatch winches

Underground Tunneling

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

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

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

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

Underground Transportation

Belt transportation: belt conveyors, air‑float belt conveyors, belt transfer machines, roller‑covered (vulcanized rubber) belts, self‑moving tail units, conveyor belts, belt fasteners, belt‑repair technologies, idlers, cleaners, backstops, alignment devices, and brakes

Auxiliary transport—rail transport: battery‑powered locomotives, overhead‑line locomotives, oil‑extraction‑machine 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‑carrying devices, rack‑and‑pinion locomotives, and cogwheel cars

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

Mine hoisting: hoists, skip buckets, cage elevators, bucket lifts, hoistway 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‑ and low‑voltage inverters, electromagnetic starters, leakage protection devices, protective relays, low‑voltage side 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, spray pump stations, hydraulic pumps, piston pumps, grouting pumps, fracturing pumps, and cooling‑water pumps

Hydraulic transmission: hydraulic motors, oil tanks, 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 equipment: directional drilling rigs, roof‑cutting drills, tunnel‑drilling machines, deep‑hole drilling vehicles, and reverse‑shaft drilling machines

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, mining video surveillance systems, miner’s lamps, charging racks, mining telephones, 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 reclamation measures• Gangue-filling equipment, underground mining equipment for the “three-under” conditions, wastewater treatment solutions, and equipment for treating industrial and domestic sewage

Automation and Intelligentization in Coal Mining

Coal-mining automation: fully mechanized longwall automation and intelligent systems, tunneling automation control systems, unmanned intelligent mine transportation systems, automated hoisting systems, intelligent ventilation systems, smart power distribution monitoring systems, pump station monitoring systems, coal preparation plant monitoring, mine pressure monitoring systems, unattended integrated management systems, intelligent operation and maintenance management systems, and underground personnel management systems

Supporting technologies for coal-mining intelligence: explosion-proof computers, switches, industrial servers, fiber-optic and RF communication devices, remote controllers, sensors, radar, IoT solutions, iris recognition systems, and coal-mining robots

Coal Processing and Utilization

Coal preparation equipment: screening equipment, intelligent dry‑sorting equipment, intelligent coal–gangue separation robots, screens, filter presses, jigging machines, flotation machines, and heavy-media cyclones

Coal processing and utilization: coal chemical engineering, coal-to-liquids 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 drill rigs

Transportation equipment: loaders, mining trucks, electric wide-body vehicles, scrapers, 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 e‑commerce platforms for coal‑mining machinery

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 systems, and entrusted operation of coal preparation plants

Mining Supplies, Tools, and Manufacturing

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

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

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