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.



Toulouse, France
Amazing Tour. Great experience to see and share with Japanese managers. I learned a lot about their culture, their way to think, to work and to improve by themselves. Great moments during training and after work. Thanks a lot. We will return back home with a new eye and mindset.
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Phenix City, Alabama, United States
Participating in the Shinka Management lean tour was an absolutely transformative experience. The opportunity to witness lean principles in action across renowned factories and a cutting-edge hospital offered unparalleled insights into operational excellence. The factory visits were a masterclass in efficiency and continuous improvement. Observing Toyota Production System methodologies firsthand—from Gemba walks to 5S practices…
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Kuching, Sarawak, Malaysia
The Shinka Management Lean Japan Tour was a good learning and hands-on experience that provided insights into world-class lean practices. The combination of factory visits, expert-led workshops and cultural immersion offered practical knowledge that can be applied to improve operational excellence. I highly recommend this program to anyone serious about driving continuous improvement and learning…
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Hamilton, Waikato, New Zealand
An outstanding experience. The opportunity to learn and build knowledge with experts in the principles of lean management was first class. The Japan context simply makes all the difference in putting that learning into context and allowed me to get “under the hood” of how it is really applied in practice through a variety of…
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Perth, WA, Australia
I recently had the opportunity to participate in the Japan Housing Mission with Shinka Management, and it was an outstanding experience from start to finish. The program was exceptionally well organised, with a clear structure that combined informative seminars, practical site visits, and valuable industry insights. The factory and company tours were a real highlight,…
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Valmiera, Latvia
The Lean Japan Tour program organised by Shinka Management is a fantastic experience for those involved in business and production. It inspires people to make changes for the better and to more effectively organize production regardless of the industry they represent.
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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
Interested in joining us in Japan? For additional information prior to registration please fill in the form provided or contact us.
