Toyo Aluminium K.K. was founded in 1931, with half its capital investment provided by Sumitomo and half by Aluminium Limited (currently ALCAN INC.), Canada, a world leader in the aluminum industry.

• 日本东洋铝业株式会社成立于1931年,由住友株式会社和世界铝业先驱加拿大铝业集团（目前公司名为ALCAN)共同出资组建。