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.



Melbourne, Victoria, Australia
The whole tour was very professionally undertaken and led. Paul and Ben have to be congratulated for putting together a very informative and very enjoyable experience. The itinerary was excellent and to see from the raw material all the way through the supply chain through to the finished product was superb. I loved the thought…
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Gothenburg, Sweden
A great tour. Having spent over 20 years in manufacturing I now understand the true meaning of Kaizen.
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Göteborg, Sweden
I would like to give my deepest thanks for helping us end the executive program on a high note. This week has summarized TPS / VPS in a very practical and eye-opening manner. The lean journey has become real and exemplified through the many visits we have done. The coaching by Hattori Sensei, and by…
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Koolywurtie, South Australia, Australia
The team at Shinka have done a sensational job of providing an in-depth tour with lots to learn about the Toyota Production System and lean manufacturing. The tour was carefully planned, and we got the most out of our time in Japan.
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Doha, Qatar
A very valuable and well-organized experience. Getting good access to factories where TPS and lean manufacturing are used as well as the instruction from experienced instructors made this a very worthwhile experience. Participants should leave well equipped to train others as well as conduct kaizen practices themselves.
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Bethesda, Maryland, United States
Shinka Management organized an excellent tour. It was structured to capture professional development and cultural experience. The tour also provided me with experiences related not only to the local culture and food of Japan, but also to the culture and languages of fellow participants from all over the world. This tour has made a significant…
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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.
Tour Inquiries
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