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.



Auckland, New Zealand
The fact that you can go past all the books and see the Toyota Production System in action first hand is fantastic. It is not sold in a complicated form by those involved but rather the opposite. The training room was found to be hands on and simple allowing us to touch and feel examples…
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Kalgoorlie, WA, Australia
This tour was very well thought out—a busy, fast-paced week that provided a strong range of learning and practical application of the Toyota Production System. The program was thoughtfully structured to apply knowledge gained directly into the factory visits, while also offering valuable insight into Japanese business and culture. I absolutely loved the experience. Thank…
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Kuching, Sarawak, Malaysia
This past week has been truly eye-opening, seeing how the theories we learned in class come to life through practical application during our visits. The hosts were outstanding, with even the highest level of management taking time to showcase their work. Their humility, resilience, and commitment to continuous improvement at the highest level were inspiring.…
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Hamburg, Germany
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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Sydney, NSW, Australia
The lean study tour to Japan with Shinka Management is something I cannot recommend highly enough for anyone looking to improve their business using lean tools and the Toyota Production System. I learned a great deal, particularly around the softer skills of working with people—insights that can only truly be gained by seeing them in…
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Khafji, Saudi Arabia
As I have had a previous unpleasant experience with lean training, I was worried about how much I could gain from this tour. At the end of this magnificent experience I can confirm that Shinka Management has exceeded my expectations. They are so organized, dedicated, helpful and generous. The tour was based on very-well known…
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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
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