Contact Us

Showa Denko welcomes your inquiries about all matters concerning the Company and its products.

Inquiries about Our Products

Points of contact differ from product to product.
You can find point of contact for each product in the "Product List" or a page of detailed explanation of each product in the "Site for Product Information."
Inquiry e-mail form is also available.
*Click the name of organization to see the list of its main products.

Inquiries about Stocks and Investor Relations

Inquiries about Stocks (for individual investors)

General Affairs Department, Showa Denko K.K.
81-3-5470-3335(9:00–12:00 and 13:00–17:45 JST, weekdays)

Inquiries about Investor Relations (for institutional investors and securities analysts)

IR Office, Finance & Accounting Department, Showa Denko K.K.
81-3-5470-3323(9:00–12:00 and 13:00–17:45 JST, weekdays)

Other Inquiries

81-3-5470-3235(9:00–12:00 and 13:00–17:45 JST, weekdays)

Inquiry form
Inquiries about public relations, environment, safety, personnel matters, research and development, and others

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