Over the course of our long history since our founding 430 years ago, we at the Sumitomo Metal Mining Group, have, through our business, strived to resolve social issues faced on the basis of our deeply rooted Sumitomo business spirit.

Our corporate philosophy incorporates sustainable co-existence with the global environment and respect for human rights, while our management vision incorporates our technological capability and our social responsibility as a manufacturing company, and we aim to maximize our corporate value through the securing of resources and providing a stable supply of non-ferrous metal materials and advanced materials.

We shall continue to fix our focus on the future, and in our efforts to meet societal needs and challenges such as the decarbonization of society and the evolution and development of digital technology, we will do our utmost to help establish a sustainable society.

Material Issues / Governance

Learn about our policies, frameworks, systems and initiatives concerning sustainability.

Vision for 2030 and Material Issues

Governance as a Foundation for Value Creation


Learn about our activities towards the achievement of our “Vision for 2030” and sustainability.

Annual activity report

This reports includes information such as the annual progress, results, and plans for the next fiscal year for our initiatives regarding sustainability.