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We would like to inform you that the Kansai branch will be relocating to the address below. Kansai Branch New Address 〒530-0054 1-1-25 Minamimorimachi, Kita-ku, Osaka City, MF Minamimorimachi 5 Building, 7th Floor TEL: 06-6361-7801 (as before) Business Start Date Monday, September 28, 2026 We appreciate your continued support and patronage. Thank you very much.

We will be exhibiting at "CEATEC 2026"! CEATEC is a comprehensive exhibition for digital innovation, where companies and organizations from both Japan and abroad gather to create new value using digital technologies and aim to solve social issues. We will introduce new solutions to various challenges faced by society and our customers through the technologies and products we have developed, including lightning protection products, optical communication network products, thermal management products, and remote monitoring devices that allow for the monitoring of equipment and facilities from a distance. When you visit, please stop by our booth at Sanko Shiya Co., Ltd., booth number [8H201]. ■ Event Overview: CEATEC 2026 ■ Exhibition Details Period: October 13 (Tuesday) to October 16 (Friday), 2026 Time: 10:00 AM to 5:00 PM Location: Makuhari Messe, Hall 8 North Entrance 8 Sanko Shiya Booth Number: [8H201]

The product page for the coaxial SPD has been updated with a "List of Supported Frequency Bands."

For more details, please visit our company website.

A new lightning damage prevention page by equipment and facility has been created. Please see the link below.