Proven track record for a wide range of applications! A trusted brand recognized both domestically in Japan and internationally.
Our company handles a variety of products used in diverse fields, including stud bolts, bolts and nuts for piping and pressure vessels. These products are utilized in applications such as petrochemical plants, LNG plants, oil refining, nuclear power generation, shipbuilding, water treatment, natural gas, heat exchangers, environmental equipment, thermal power generation, and many more, and are recognized as a trusted brand not only in Japan but also overseas. 【Main Applications】 ■ Petrochemical Plants ■ LNG Plants ■ Oil Refining ■ Nuclear Power Generation ■ Shipbuilding ■ Water Treatment ■ Natural Gas ■ Heat Exchangers ■ Environmental Equipment ■ Thermal Power Generation *For more details, please refer to the external link page. Feel free to contact us as well.
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Main Clients (in alphabetical order) IHI Corporation / Idemitsu Kosan Co., Ltd. / Cosmo Oil Co., Ltd. / Shinko Engineering & Maintenance Co., Ltd. Shinko Plantech Co., Ltd. / Nippon Steel Corporation / Sumitomo Chemical Engineering Co., Ltd. Chiyoda Corporation / Chiyoda Kogyo Co., Ltd. / Toyo Engineering Corporation / JGC Corporation Hitachi, Ltd. / Hitachi Zosen Corporation / Fuji Oil Co., Ltd. / Mitsui Chemicals, Inc. / Mitsui Engineering & Shipbuilding Co., Ltd. Mitsubishi Kakoki Kaisha, Ltd. / Mitsubishi Heavy Industries, Ltd. / JX Nippon Mining & Metals Corporation Procurement *For more details, please refer to the external link page. Feel free to contact us as well.*
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【Main Uses】 ■ Petrochemical plants ■ LNG plants ■ Oil refining ■ Nuclear power generation ■ Shipbuilding ■ Water treatment ■ Natural gas ■ Heat exchangers ■ Environmental equipment ■ Thermal power generation *For more details, please see the external link page. Feel free to contact us as well.
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Sanwa Iron Works Co., Ltd. is committed to the spirit of "no compromise" based on ISO 9001 as the foundation of our quality management. We are all working together to manufacture and sell stud bolts, special steel bolts, and nuts, while also striving to develop products that connect to the future. Furthermore, we aim to contribute broadly in areas such as petroleum and petrochemical facilities, nuclear power, earthquake resistance, and environmental concerns, with a mindset of "everyone in sales, everyone in technology," and we are determined to be a cornerstone in both Japanese and global industries.