Railway Vehicle Components Business
YUJIN Railway Vehicle Component 
We, YUJIN Machinery Ltd., manufacture and supply various railway vehicle components based on outstanding human resources. We prepare for an era of unlimited competition through effective production line construction and production technology innovation to improve quality and productivity. We will fulfill our role as a competitive leading railway company through specialization of assembly for each product characteristic to secure better quality and competitiveness.
Compressor Business
YUJIN Screw Air Compressor 
YUJIN Machinery Ltd. has continuously researched and developed the latest high-efficiency screw air ends and advanced compressor technology based on the design and manufacture of screw air compressors for railway vehicles. Based on the advanced technology and quality system in the railway vehicle field, we will manufacture high-quality industrial compressors and grow into a comprehensive compressor maker leading not only the domestic market but also the world market.
Electric / Electronic Products Business
YUJIN Electric Ltd.
YUJIN Electric Ltd. is responsible for R&D and production of electric/electronic products. Certified as a venture company, it is currently playing an important role in linking hardware and software through electronic control units for railway vehicle components, advanced test equipment, and simulation for design. We are confident that it will grow into a specialized company for 21st century railway vehicle electric/electronic products and will continue to focus on research and development.
Maintenance ⁄ Overhaul Business
YUJIN Rollingstock Ltd. / JEIL Rollingstock Ltd.
YUJIN Rollingstock Ltd. has obtained ISO certification based on YUJIN's know-how and accumulated experience in manufacturing railway vehicle components, and is striving to develop into a specialized company in the field of maintenance and overhaul of railway vehicles for railway safety.