Rolling-stock builders
Korea’s largest rolling-stock manufacturer and its only high-speed train builder, part of Hyundai Motor Group. It builds the KTX high-speed family, EMUs and trams, and exports to North America, Australia, Asia, Africa and Europe.
A Korean builder of metro EMUs and light-rail vehicles, recently contracted for Seoul Metro Lines 1/4/8 and 6/7, and developing hydrogen trains.
A Korean builder of diesel-electric locomotives and EMUs for KORAIL.
Operators
Korea’s national railway operator, running KTX high-speed services (including the former SRT services since September 2026), conventional trains and metropolitan EMUs, with regional rolling-stock maintenance depots.
Operator of Seoul Subway Lines 1–8 and one of the world’s largest metro fleets, now renewing its older trains.
Operator of the Seoul Station – Incheon International Airport line, with express and all-stop services.
Research & certification
Korea’s national railway research institute, which carries out the technical tests behind vehicle and component type approval.
A network between manufacturers and Korea’s railways
So that manufacturers and customers understand each other, Sunshine aligns the technical details and procedures in between.
Manufacturers
- KONI (Netherlands, ITT)
- HŽP (Czech Republic)
- Chesterfield (United Kingdom)
Sunshine
- Technical review, tenders, inspection
- Logistics, customs, after-sales
- Korean–English documents and communication
Korean customers
- Builders: Hyundai Rotem, Woojin, Romansys
- Operators: KORAIL, Seoul Metro, AREX
- Research: KRRI