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.



Riyadh, Saudi Arabia
I had the privilege of joining the Japan study tour by Shinka Management, and it was an invaluable experience. The tour offered a deep dive into Japan’s manufacturing excellence, focusing on lean production and continuous improvement. The Shinka Management team’s expertise and seamless coordination made the experience both educational and inspiring.
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Karachi, Pakistan
I wanted to express my appreciation for the incredible Lean Japan Tour experience. I am grateful for the hospitality and support Shinka Management provided. Your guidance on Japanese Business Etiquette was invaluable. I am not aware of any training consultants who pay such meticulous attention to details. Your warm and welcoming approach created an excellent…
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Buenos Aires, Argentina
The March 2025 Lean Japan Tour was an incredible opportunity to experience Japanese culture and kaizen practices firsthand. I would rate my overall satisfaction with this tour as outstanding. Honestly, it is very difficult to identify areas for improvement in the program, as it is executed with such professionalism and extensive experience. The dedication and…
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Adelaide, South Australia, Australia
I have thoroughly enjoyed the lean tour to Japan. Not only have I learned lots of new concepts that I’m keen to implement in our business, but I also loved the cultural experiences and insight into the people of Japan. The tour organizers bent over backward to make us feel welcome and anticipate our every…
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Nelson, New Zealand
Amazing experience, exceptional learning. If you want to learn about Lean go on this tour!
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Riyadh, Saudi Arabia
Shinka is offering an outstanding lean tour delivering learning methods in different ways such as site visits at factories, seminars and practical training. Also, as part of the tour, major landmarks are included in the schedule to provide a clear picture about the Japanese culture and history. The tour is well organized and makes the…
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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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