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
The tour was a terrific experience shared with exceptional individuals. I was able to further my knowledge in lean manufacturing and hone my skills. I learned new ways to reduce waste and improve the working environment within industrial projects.
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Sydney, New South Wales, Australia
The TPS methodologies and learnings were exceptional. Shinka management ensured the tour was clearly defined. The teachings from expert senseis were effective, and they shared their knowledge and experience of the kaizen and 5S models. A must attend tour for people who are seeking improvements in business and culture. Thank you Shinka management!
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Madrid, Spain
The tour has given me the opportunity to understand in a practical way what I learned theoretically. I have checked that the theory is possible to put in practice. This has been the first time that I have felt the lean manufacturing philosophy first hand. Congratulations to the Shinka Team. The organisation has been perfect…
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Sydney, New South Wales, Australia
I joined the tour with little understanding of lean. This tour opened my eyes to the possibilities of what can be achieved through continued focus on improvement and team work at all levels. The plant tours showcase the Kaizen and 5S principles perfectly. The surprising thing for me is that safety and quality were paramount…
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Quito, Pichincha, Ecuador
I really liked the Lean Japan Tour, since it combines theoretical training, workshops and visits to different companies. It is different to see firsthand how the different methodologies work and take the time to understand that it is part of the organizational culture. Thank you Shinka Management team. Now let’s get to work…!!
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Adelaide, South Australia, Australia
I wanted to take a moment to sincerely thank you for organizing such a fantastic tour. From the seamless logistics to the thoughtfully curated, authentic Japanese experience, everything was meticulously planned, making for an unforgettable trip. Your team’s professionalism, and passion for what you do really shone through, and it truly enhanced the entire experience. I appreciate…
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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.
