Product Categories
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Land-based aquaculture
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Robot and industrial machinery
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Regenerative medicine
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Gas equipment and environmental devices
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High purity gas, special gas, special materials
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Experimental and research equipment
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Industrial gas
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Natural refrigerant gas
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Dry ice
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Ammonia refrigerant treatment
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From refrigerant recovery processing, refrigerant decomposition processing, and regeneration processing to destruction processing.
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Cutting and welding related equipment
Featured products
Products/Services（88items）
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Container management and LN2 filling work unnecessary! Dry shipper cooling rental service.
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![[Neutralizing agent / Coagulant] Byproduct 'Acetylene slurry' during acetylene production.](https://image.mono.ipros.com/public/product/image/255/2001517572/IPROS5161511690363759846.png?w=280&h=280)
[Neutralizing agent / Coagulant] Byproduct 'Acetylene slurry' during acetylene production.
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Liquid helium supply and filling services for MRI/NMR.
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"Eco Push" for saving electricity costs associated with drafts, awarded the Energy Conservation Grand Prize.
news list
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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 Information Materials" on the website.
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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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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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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
About東日本イワタニガス
開発本部
Delivering gas to a new stage of industry.
Tohoku Nihon Iwatani Gas Co., Ltd. is a high-pressure gas direct sales company focused on the cylinder business within the Iwatani Group's industrial gas operations. We are developing various businesses closer to the market. We have sales bases nationwide, primarily dealing with various high-pressure gases such as oxygen gas, nitrogen gas, argon gas, carbon dioxide gas, hydrogen gas, helium gas, and cutting gas developed for hydrogen applications, known as Hydrocut. We have established a rapid supply and safety system rooted more deeply in the local community.