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 petrochemical plants, LNG plants, oil refining, nuclear power generation, shipbuilding, water treatment, natural gas, heat exchangers, environmental equipment, thermal power generation, and many other applications, 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 Plantec 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 Company, Ltd. / Mitsui Chemicals, Inc. / Mitsui Engineering & Shipbuilding Co., Ltd. Mitsubishi Kakoki Kaisha, Ltd. / Mitsubishi Heavy Industries, Ltd. / JX Nippon Mining & Metals Corporation *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 refer to 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 the fields of petroleum and petrochemical facilities, nuclear power, earthquake resistance, and environmental-related areas, with the mindset of everyone being in sales and everyone being in technology, as we aspire to be a cornerstone in Japanese and global industries.