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.

I am now back in the office in rainy Seattle and wanted to say a huge thank you, once again for making the lean tour such an enjoyable learning experience. There are so many valuable learnings and enriching experiences that I am looking forward to sharing with my team and colleagues here in the coming days. I…
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I attended the tour in 2011 and found the whole experience very useful to build on my understanding of Lean Manufacturing. For those having a reasonable understanding of Lean this tour shows in detail the gap that Australia experiences to world class productivity practices. Most interesting was the deployment of essentially the key elements of…
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Buenos Aires, Argentina
The tour program has been an amazing experience and delivered in the best possible way. It has provided a great picture of what Japanese culture is in all areas (work, transport, life, etc.) and across different environments and scenarios. The training and experience with the sensei are invaluable, as well as the experience Shinka Management…
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I was a part of the November 2013 Lean Japan Tour and would highly recommend it for anyone who is serious about Lean Manufacturing. Ben and Paul are well organised and have put together a great tour. The tour is very enjoyable and a great insight into Lean manufacturing. I have come back with a…
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Kuching, Sarawak, Malaysia
Excellent, from preparing the tour group on do’s and don’ts to guidance on what to watch out for every step of the way. Cannot recommend this enough if you are looking to learn how to resolve issues, and want to understand the lean approach from philosophy to theory to practice. Thank you very much, Paul,…
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Melbourne, Victoria, Australia
I recently had the privilege of attending the Lean Japan Tour organized by Shinka Management, and I can say it was an unforgettable experience! From start to finish, the tour was exceptionally well-managed, and I came away with a wealth of new knowledge and insights into lean manufacturing. I want to express my gratitude 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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