Trading company specialized in supplying non-ferrous metal materials and processed products around the world over 70 years

We are a trading company specialized in supplying non-ferrous metals over 70 years. We mainly handle “aluminum” and “copper,” and have long-standing relationships with many customers. We are aimming for customer's satisfaction with monitoring rapidly changing world situation.



Message from President

Tominaga Sangyo is a trading company with over 70 years history.

Since our foundation in March 1947, we have been supplying mainly non-ferrous metal materials for more than 70 years. We would like to express our sincere gratitude to our business partners for their support and cooperation, which have enabled us to continue our business in a stable manner.

We will continue to strive to provide high-quality sales activities, including product proposals and providing information, in order to fully meet your needs.

All of us will continue to make every effort to be a company that will be always needed by society.

Tominaga Sangyo Co., Ltd.

George Tsuruta