(This article is owned by Juzhan Network, unauthorized forwarding is prohibited) Railway transportation equipment and components and electromechanical equipment; workshop equipment; power supply system; communication, signal system; automatic ticketing system; lift system; fire alarm system; ventilation, air conditioning and heating systems; environmental and equipment monitoring systems; integrated monitoring systems; ticketing clearing systems; door safety systems, etc.

Railway construction materials, equipment, safety, energy-saving, environmental protection technology and maintenance, etc. (This article is owned by Juzhan Network, unauthorized forwarding is prohibited)

Railway facility construction, station and site equipment, track laying, maintenance, repair equipment and technology; railway civil engineering, bridges, roads, water supply and drainage, environmental engineering, landscape architecture, public works, etc. (This article is owned by Juzhan Network, unauthorized forwarding is prohibited)

Tunnel construction machinery, parts, materials and technology; construction machinery, safety devices and equipment, etc.; underground traffic detection, exploration technology, construction materials and equipment; underground lines, signals, bridges, tunnels, power grids, station buildings, etc. Construction machinery and auxiliary equipment (This article is owned by Juzhan Network, unauthorized forwarding is prohibited)

Intelligent traffic management systems, road charging system equipment, intelligent traffic products and security surveillance equipment; video surveillance equipment, traffic information collection equipment, traffic control equipment, road charging system equipment; subways, cars, buses, etc. (This article is owned by Juzhan Network, unauthorized forwarding is prohibited)

Internal design, renovation, decoration services for railway vehicles, doors, curtains, partitions, tables and chairs, luggage racks, handrails, replacement parts, lockers, seat belts, paint, trolleys, toilets and kitchen equipment, etc. (This article is owned by Juzhan Network, unauthorized forwarding is prohibited)