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Regarding the seminar to be held at the metropolitan branch on July 22, 2025 (Tuesday).
On July 22, 2025 (Tuesday), we will hold a seminar at the metropolitan branch. We look forward to your participation. Thank you very much. ≪How to apply≫ Please refer to the related document "Seminar…
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Announcement of the new official website.
The official website has been renewed! The URL has also been updated. For more details, please refer to the related links.
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Regarding the merger with Tokai Sangyo Co., Ltd.
On April 1, 2024, Higashi Nihon Iwatani Gas Co., Ltd. and Tokai Sangyo Co., Ltd. merged. For more details, please refer to the related link.
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Opening of a new sales office
[Opened from April 1] Hokkaido Sales Office 〒060-0807 1-1-2 Kitashichijo Nishi, Kita-ku, Sapporo, Hokkaido TEL 011-708-0277 FAX 011-747-0150