Chuo Malleable Iron – Factory Tour
Chuo Malleable Iron is a manufacturer of cast iron and aluminum components. The company mainly supplies to the automobile and electric industries and their major trading partners include Toyota Group companies such as Toyota Motor Corporation, Denso and Aisin Seiki. The company also produces steel furniture such as metal framed chairs which represents around four percent of their revenue.
Corporate Information
- Company: Chuo Malleable Iron Co., Ltd.
- Foundation: 1944
- Location: Headquartered in Aichi Prefecture
- Main Business: Manufacturing of cast iron and aluminum components
Chuo Malleable Iron – Lean Characteristics
Kanban System, JIT, Visual Management
Chuo Malleable Iron is a supplier of cast iron and aluminum components to the automobile and electric sectors. The company was founded in 1944 in Aichi Prefecture and started to supply for Toyota Motor Corporation in 1948.
The company has four production bases in Japan, three in the Tokai Region and one in Kumamoto Prefecture on the southern island of Kyushu as well as two production bases in China.
Their Nisshin Plant is the biggest plant that produces approximately 2,400 tons of cast iron products and 100 tons of aluminum products per month. The company uses electric furnaces in their efforts to achieve improved environmental outcomes and Just-In-Time fabrication of components based on a kanban system. The factory also features effective visual management examples.
The visit to the Nisshin Plant includes a presentation, a site tour and a Q&A session with senior managers.

Dubai, United Arab Emirates
It was a fasntastic tour from the beginning to the end. It was very well-organised and informative. Sessions were followed with practical training which concentrated more on the ideas that had been explained. The factories visited were chosen in a way that allowed the participants to see a live supply chain work. Big thanks to…
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Rancagua, O'Higgins, Chile
The Lean Japan Tour allowed me to understand in a practical and conceptual way the real essence of just-in-time and operational efficiency. The dedication of the team and their attention to detail have made this an unforgettable experience.
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Quezon City, Manila, Philippines
Thank you, Shinka Management, for providing me with the opportunity to learn more about Kaizen. As a Quality practitioner, witnessing the evolution of Toyota and its implementation of Kaizen has been amazing. Learning how to adapt Kaizen principles from manufacturing for implementation within a hospital setting has been truly inspiring. Again, thank you Shinka Management!…
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Manila, Philippines
The tour was highly professional. The food and hotels were excellent, and the best part was the learning experience. We had hands-on exposure to kanban, and seeing Lean and Kaizen in action during the factory visits was extremely informative. The Q&A sessions provided us with deeper insights into the thinking of each management team we…
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Hobart, Tasmania, Australia
Paul and Eri from Shinka Management clearly understood the brief and greatly assisted in transforming our industry tour into an enjoyable and exceptional experience immersed in Japanese culture. Without their support we would not have gained the same level of factory access, learnings and knowledge. Well done!
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Bikfaya, Lebanon
Life changing experience. The tour was extremely well prepared: 1. In terms of logistics and schedule, everything was organized to provide enough time for full day efficiency without putting too much physical or cognitive strain. 2. In terms of quality of information, the senseis’ knowledge is world-class level and they were more than willing to…
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The Shinka Management Lean Japan Tour is a professional development program run several times annually. The program includes a mix of lean and kaizen seminars, hands-on lean training and visits to several benchmark lean companies. For further information and program dates, see the lean tour overview page.
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