High-speed EMUs, EMU inspection cars, diesel locomotives, urban rail transit vehicles (metro, light rail, monorail), modern trams, medium-to-high-speed maglev trains, PRT (personal rapid transit) systems, vacuum transportation systems, various new transportation systems and freight locomotives, etc. Components including bogies, braking systems, car bodies, Locomotive doors, coupling systems, ventilation systems, lighting systems, locking systems, wheelsets, lubrication systems, composite materials, insulation materials, adhesives, lubricants, rubber products, sealing materials, control consoles, lights, toilets, seats, air conditioning, escape systems, door systems and accessories, flooring systems, heating systems, monitoring systems, kitchen equipment, etc.