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Homepage Renewal Notice

30 Mar 2020
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We will inform you that the website has been renewed.

In this renewal, we revised the design and menu structure and added new content.

We will continue to improve the content and provide information.

Optima Inc.

1-48-11 Itabashi, Itabashi-ku, Tokyo 173-0004

TEL : 03-5375-2351  |  FAX : 03-5375-2360  |  E-mail :

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