・Contributing to undergrounding distribution system in Japan

・Material and product supplier for power and telecommunication industries

・Integrated company for comfortable metropolitan society

・ 98 years history of business relationship with electric power companies.
    ～dealing with material for both overhead and underground system in power transmission,
    distribution and communication fields〜
・ Working on the undergrounding of power and telecommunication cables for 98 years.
・ Pioneer of precast handhole, manhole and cast iron manhole cover.
・ Working on common ducting systems of C.C.Box and Information Box, contributing Japanese
　 Infrastructure developments.
・ Providing original technologies and products for risk prevention including earthquake-proof and
　 anti-ground subsidence
・ measures as well as wide range of duct sealing systems and rust preventive products and
　 anti-corrosive technology.
・ The approval of ISO9001(Quality) is acquired.

• Founding

  May 1, 1927

• Establishment

  March 13, 1942

• Capital

  100 million yen

• President

  Naoshi Nishikawa

• Main customers

  ・Power companies such as TEPCO
  ・Electric Constructors such as KANDENKO
  ・Ministry of Land, Infrastructure, Transport and Tourism
  　and other governments and local government
  ・Communication companies such as NTT
  ・Railway companies such as JR

Office

Agents