Underground Mining

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

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

Working-face conveying equipment: scraper conveyors, transfer machines, face crushers, self‑moving belt conveyors, Matik devices (for head-end transfer and tail-end self‑movement of belt conveyors), and various scraper conveyor accessories—chain links, circular chain components, pillar winches, and dispatch winches

Underground Tunneling

Mechanized tunneling equipment: full-face roadheaders, shield machines, rock drills, partial-face tunnelers, cantilever tunnelers, drill-and-anchor machines, continuous miners, integrated drill-and-anchor units, micro-shields, pipe jacking machines, vertical shaft tunnelers, reverse shaft tunnelers, chamber tunnelers, inclined shaft tunnelers, and related machine components

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

Supporting systems: segment assembly machines, loaders, side‑unloading mine cars, underground shovels, underground ore‑transport trucks—chain‑driven models, scraper conveyor accessories—circular chain components

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

Underground Transportation

Belt transport: belt conveyors, air‑float belt conveyors, belt transfer machines, roller‑coated belts, self‑moving tail sections, conveyor belts, belt fasteners, belt repair techniques, idler rollers, sweepers, backstops, deviation correctors, brakes

Auxiliary rail transport: battery‑powered locomotives, overhead line‑powered locomotives, oil‑drilling traction vehicles, underground passenger cars, flatbeds, mine cars, shuttle cars, hopper trains, tipping machines, pushers, climbing devices, vehicle blockers, monorail lifts, monorail lifters, aerial passenger systems, rack‑and‑pinion locomotives, track‑locking vehicles

Auxiliary non‑rail transport: winches, rubber‑wheel vehicles, rubber‑covered wheel vehicles, lifting equipment

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

Coal Mine Electromechanical and Power Systems

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

Electric motors: explosion-proof electric motors, standard electric motors, permanent magnet motors, power generation equipment, diesel engines, internal combustion engines

Pumps: emulsion pump stations, spray pump stations, hydraulic pumps, piston pumps, grouting pumps, fracturing pumps, cooling water pumps

Hydraulic transmission: hydraulic motors, oil tanks, cylinders, hydraulic valves, bearings, couplings, accumulators, gearboxes, reducers, backstops, torque limiters, oil pipes, hoses, pipe joints, protective sleeves, coolers, heaters, filters, filter elements, liquid level gauges, seals

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

Drilling equipment: directional drills, roof‑cutting drills, tunnel drills, deep‑hole drilling rigs, reverse shaft drilling machines

Auxiliary Production Systems for Coal Mines

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

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

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

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

Environmental protection equipment: mine environmental conservation and reclamation, gangue filling equipment, three‑down mining equipment, wastewater treatment solutions, and facilities for treating production and living wastewater

Automation Control and Coal Mine Intelligence

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

Coal mine intelligence supporting technologies: explosion-proof computers, switches, industrial servers, fiber optics and radio frequency devices, remote controls, sensors, radar, IoT solutions, iris scanners, and coal mine robots

Coal Processing and Utilization

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

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

Open‑pit Mining

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

Transportation equipment: loaders, mine trucks, wide‑body electric vehicles, shovels, mine dump trucks

Auxiliary equipment: gyratory crushers, jaw crushers, generator sets

Mining Services and Engineering

Service trade: design, consulting services, agency trading, news media, government agencies, association organizations, education and training, labor services, finance, leasing, insurance, secondhand equipment, occupational health and safety, software, coal‑machine e‑commerce

Exploration, well construction, and engineering: geological exploration, mine surveying, mine construction, engineering contracting, entrusted operations, turnkey projects, coal‑bed methane development and utilization, mine cooling, and coal‑washing plant entrusted operations

Mining Supplies, Tools, and Manufacturing

Mining supplies and materials: mining oils (lubricants), emulsions, concentrates, antifreeze solutions, non‑metallic safety materials, explosion‑proof safety equipment, chemical products, wear‑resistant materials, steel plates, rails, steel wires, testing services, hard alloys, cutting tools, lithium‑battery power sources, mine‑specific tires, rims

Mining tools, instruments, and meters: manual tools, electrical tools, power tools, geophysical exploration tools, measuring instruments, temperature, gas, pressure detectors, coal quality analysis instruments, automated instruments

Manufacturing: laser cladding, remanufacturing, equipment repair, welding techniques, welding materials, forging processes, honing operations, internal spraying