Delivering World-Class reliability through Japanese expertise
A Bangkok-based joint venture of East Japan Railway Company (JR-EAST), Marubeni Corporation, and Toshiba Corporation, combining decades of proven Japanese railway expertise with a strong local commitment.
Delivering world-class reliability through Japanese expertise by integrating international standards for safety and quality, Japanese technology and operational culture, and local experience and expertise, ensuring safe, reliable, and comfortable railway services for passengers serving as a role model for sustainable railway system maintenance.
Our Services
We provides end-to-end maintenance services for the MRT Purple Line, a crucial urban railway line connecting Bang Sue, Bangkok, and Bang Yai, Nonthaburi. Our maintenance scope covers four core disciplines: Rolling Stock, Depot Workshop Equipment, Power Supply System, and Trackwork.
By combining integrated-systems maintenance management, strict safety and quality control, and a blend of Japanese and local expertise, technology, and operational culture, we ensure the Purple Line operates with maximum safety, reliability, and efficiency. Leveraging our expertise in Risk-Based Maintenance, we make the MRT Purple Line the most reliable railway system in Thailand.

























