Links

SMM Group Companies

https://www.sumiko-kunitomidenshi.jp/(Japanese Version Only)

Sumitomo Group

Others

  • Japan Science Foundation / Science Museum
  • Japan Copper Development Association
  • Japan Oil,Gas and Metal National Corporation
  • Japan Mining Industry Association
  • New Energy and Industrial echnology Development Organization
  • Nickel Institute
  • Metal Economics Research Institute,Japan
  • The Mining and Materials Processing Institute of Japan