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.



Astana, Kazakhstan
I personally believe that an understanding of lean as a holistic concept combined with lean tools is necessary for all managers in any business. Shinka Management introduced us to the origins of lean production and provided a great opportunity to observe real companies where TPS principles are both implemented and being polished daily. Important parts…
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Riyadh, Saudi Arabia
This service has added huge value to the Saudi Arabian Government-sponsored Tomoh Industrial SMEs. Thank you Shinka for the effort made to deliver this service in a very professional way.
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Houston, Texas, United States
I highly recommend this tour. You will learn lean from the experts which will greatly facilitate your lean journey.
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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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Sydney, New South Wales, Australia
The Shinka lean study mission of Japan offers participants an opportunity to see what is possible in undertaking world class manufacturing. The insights that are possible on tours like this can really challenge what you think are the real key success factors for implementation and enhance the chance of success in your own journey.
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Christchurch, New Zealand
I highly recommend the Lean Japan Tour – it provided a very good insight, was well organised and is led by guys who are clearly very passionate for lean and Japan.
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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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