Showa Denko KK

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Based in Tokyo, Japan. Established in 1939 as a merger between Nihon Denki Kogyo KK and Showa Hiryo KK, Showa Denko KK engages in the production of aluminium products such as plates, sheets, foils, rods and extrusions.


  • 13-9, Shiba Daimon 1-Chome, Minato-ku  

Town, State, Country

  • Tokyo, Japan  


  • 105-8518 
  • Year Established 1939
  • No. of employees 10,000+
  • Ownership The Master Trust Bank of Japan Ltd, 6.42%
  •   Japan Trustee Services Bank Ltd (T), 5.39%
  •   Fukoku Mutual Life Insurance Co, 3.86%
  •   Morgan Stanley & Co LLC, 2.56%
  •   Others, 79.25%
  •   The Dai-Ichi Life Insurance Co Ltd, 2.52%
  • End User Industries Petrochemical, chemical, metallurgy, electronics, batteries


  • ISO/TS 16949
  • ISO 14001
  • ISO 9001


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