How Can We Help You?

Holiday Notice

Thank you for visiting Sumitomo Electric's Global Website.
The customer support service will be closed from May 1 through 5, 2021. Any inquiries received during the holiday will be processed on May 6 and thereafter.
We apologize for any inconvenience this may cause and appreciate your understanding.

You Can Find Answers to Frequently Asked Questions.

View General FAQ

Inquiry Topics

Inquiry Type

Department In Charge


Search for Product Names or Keywords to Inquire

Inquire about Products
Investor Relations / Public Relations

Public Relations Department

Contact Department

Procurement Division

Contact Department
Corporate Social Responsibility

CSR Promotion Office

Contact Department

Human Resources Division

Contact Department

General Inquiry

General Inquiry