About Us
Company Profile
SDT is a company that has supplied a wide range of railway products to railway and subway operators throughout Korea for many years.
As a specialized supplier of railway inspection and maintenance equipment, SDT has a deep understanding of local operating environments and on-site requirements. Based on this expertise, we provide reliable solutions that meet the practical needs of our customers, resulting in a high level of client satisfaction.
Our high-quality products have earned a strong reputation among customers. Leveraging our technical expertise and industry know-how, we remain committed to continuous investment and innovation to further enhance customer satisfaction.
Certificates & Patents
2025
2023
2022
2025
- For Moran depot, supplied with automatic shunting system
- For 5 stations of Seoul Metro, built floor sensing safety system
2023
- For Moran depot, supplied with underfloor wheel lathe
- For Gunja Depot, built a cleaning and painting room system
2022
- For Donghae South Line, supplied with inspection and maintenance equipment
For Sin-jeong depot, built a cleaning and painting room system
Clients We Work With
