• 1948.12

    The establishment of “Yamanishi Co.,Ltd.” As a company of wholesaler of the communication equipment in Osaka city.

  • 1961.02

    Established branch offices across Japan (Hiroshima, Nagoya, Fukuoka, Sapporo, Tokyo, Matsuyama, Sendai, Naha, Kanazawa)

  • 1971.05

    The company changes its name to SunTelephone Co.,Ltd.

  • 1985.09

    Established the “Product Management Center” at Koshigaya city, Saitama.

  • 1986.06

    Listed on the First Section of the Osaka Securities Exchange.

  • 1987.09

    Listed on the First Section of the Tokyo Securities Exchange.

  • 1988.05

    Merged and relocated the Head Quarter function to Tokyo office.

  • 1997.11

    Set up the subsidiary company “SunTrading Co.,Ltd.” as a trading section.

  • 2007.05

    Due to realizing the long term and sustainable growth, delisted both Securities Exchanges.

  • 2010.12

    Established the Structural Reform Dept and expanded overseas business.

  • 2011.08

    Relocated the Head Quarter to Hacchobori from Ningyo-cho.

  • 2011.09

    Relocated “Product Management Center” to Katsushika-ku and renamed it to “Head-Quarter distribution center”.

  • 2011.10

    Relocated Kansai sales Dept to Yodoyabashi and set up “West Japan distribution center”.

  • 2013.01

    Nitto Kogyo Corporation acquired 100% of our shares from our ex-shareholder, JBP-I and we belong to the Nitto Kogyo group.

  • 2013.09

    Relocated distribution center to Itabashi-ku, Tokyo.

  • 2016.09

    Relocated distribution center to Ota-ku, Tokyo.

  • 2016.09

    Information and Communications Division and New Business Division Acquired ISO / IEC 27001: 2013 / JIS Q 27001: 2014 (ISMS) certification

  • 2017.04

    Established “SUNTEL (THAILAND) CO., Ltd” as a subsidiary for the purpose of expending overseas business.