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.

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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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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I want to congratulate the Shinka Management Team for the fantastic organisation of the Lean Japan Tour 2023. The tour has been a business and life-changing experience for sure. On Day 1 I was already enlightened, and all the bits and pieces of a huge TQM puzzle came together to form a clear picture. The tour…
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Buenos Aires, Argentina
The Lean Japan Tour has allowed me to learn both professionally and culturally. It has been an invaluable experience to learn through interacting directly with a Japanese sensei. It has been a pleasure experiencing this program in Japan, with the locals always helping us as if we were a relative. The Lean Japan tour is…
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From a remote rural engineering company – to the shining lights of Japan’s finest. I have returned overwhelmed from the experience to learn from some of the worlds best manufacturers and absorb decades of experience from my fellow peers. Highly recommended and treat it as a sound investment for your company’s future!
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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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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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