Railway Technology (Transportation, System) Area: Rail transit and railway locomotive vehicles equipment and parts and electromechanical equipment; vehicle yard equipment; power supply system; communication, signal system; automatic fare collection system; elevator system; fire alarm system; ventilation, air conditioning and heating systems; environmental and equipment monitoring system; integrated monitoring system; ticketing clearing system; door safety system, etc.; rail transit and railway construction materials, equipment, safety, energy saving, environmental protection technology and maintenance, etc.

Infrastructure Area: Railway facility construction, station and station equipment, track laying, maintenance, repair equipment and technology; railway civil engineering, bridges and roads, environmental engineering, landscape engineering, public works, etc.

Tunnel Construction Area: Tunnel construction machinery and equipment, accessories, materials and technology, construction machinery, safety devices and equipment, etc.; underground traffic detection, exploration technology, construction materials and equipment, etc.; underground lines, signals, bridges, tunnels, station buildings, etc. construction machinery and supporting equipment

Public Transportation Area: Intelligent traffic management system, 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; subway, car, bus, etc. rail transportation tools

Electricity/Transport/Railway Operation Area: Power equipment, substation conversion, power supply system, overhead equipment, railway operation management system, communication signal facilities, train protection technology equipment (The content of this article is the property of , unauthorized reproduction is prohibited)