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.

I enjoyed every aspect of this extremely well organised kaizen tour including: factory visits, translations by Paul and Ben, TPS training, sightseeing, accommodation, transportation, and meals. This tour is a must for anyone trying to understand / implement LEAN into their business or organisation. I hope the tour continues for many years to come as…
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Riyadh, Saudi Arabia
During my bachelor’s degree I studied TPS and lean extensively but having the theoretical knowledge is very different to actually seeing it and getting the chance to implement it in the practical center. I have enjoyed my time during the tour and learned a lot about how TPS is actually implemented. The tour was very…
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To do a lean learning tour with Shinka is definitely highly recommended. As lean is a personal journey for everyone who is involved in this topic, it doesn’t matter at which point of your journey you are in. At each level of personal experience there is a lot that you can take home with you.…
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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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The Lean Japan Tour allowed me to understand in a practical and conceptual way the real essence of just-in-time and operational efficiency. The dedication of the team and their attention to detail have made this an unforgettable experience.
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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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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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