・Contributing to undergrounding distribution system in Japan

・Material and product supplier for power and telecommunication industries

・Integrated company for comfortable metropolitan society

・ 88 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 88 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

  Takashi Kaetsu

• 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

Quality Assurance

Our company provides material information and communication materials and electric facility to our customers, and we are always working to improve the quality, in order to provide better products that satisfy customers. In September 1998, we obtained the certification of ISO9001 quality assurance by International Organization for Standardization(ISO), and in September, we are approved the transition to year Edition ISO2000, and in July 2009, the transition to year Edition ISO2008 respectively (Examining Authority:Japan Quality Assurance Inspection (JICQA)) In accordance with the idea of a new quality system in the future, we will continue working to improve the quality than ever before.

Office

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