KMA and KMS expansion joint systems, made of metal and rubber composites, are bridge and road assembly parts designed to secure safe traffic of vehicles and pedestrians, to absorb the heat-induced expansion and contraction as well as vibrations generated by traffic or earthquakes, and have gained a reputation for high quality and reliability.

• More Information
  (Kyouryou Maintenance Website)

• *Japanese only

Toho Air Service provides a wide variety of helicopter flight services, which range from scheduled commuter passenger flights, sightseeing tours, chartered flights, and medical and rescue flights, to construction-related lifting and transporting, and other customized projects.

• More Information
  (Toho Air Service Website)

New Central Air Service provides a range of airplane flight services, including scheduled commuter passenger flights, sightseeing tours, and flight trainings.

• More Information
  (New Central Air Service Website)