For more than eighty years. MHI has supplied many types of air-brake and highly advanced electro-pneumatic brake equipment for all kinds of rolling stock, such as that used by the metropolitan subway, the "Shinkansen" (bullet train), monorail cars and new transportation vehicles. In the field of marine propulsion systems, electro-pneumatic remote control systems for main engines have been delivered to customers all over the world to fulfill their varied needs.