Sumitomo Electric Optifrontier Co., Ltd.

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For inquiries, consultations, quotations and more about our products, please feel free to contact us by the email form below. Our staff will contact you.

Replies to email received on Saturdays, Sundays and holidays may be on the business days thereafter.

Please note that it may take time to reply or replies cannot be given, depending on the contents of each inquiry. Thank you for your understanding.

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