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.



Vöcklabruck, Austria
This trip really enlightened me in some specific lean topics and showed me all the beneficial aspects of lean manufacturing. The biggest take away for me was a deeper appreciation of not just the tools but the philosophy. The way the trip was organised and flowed was amazing. Thanks to Paul and David from Shinka…
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Kassel, Germany
My expectations for the tour were exceptionally high, but the Shinka Management team exceeded them all. The opportunity to engage with a sensei who possesses decades of experience in the Toyota Production System (TPS) was invaluable. The factory tours, coupled with discussions with managing directors and plant managers, offered profound insights into the organizational culture,…
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Singapore
The Lean Japan Tour with Shinka Management was an inspiring and transformative experience. Seeing lean practices in action and learning from Japanese companies was truly eye-opening. This journey has motivated me to embrace lean principles in my own work. Big thanks to Shinka Management for such an enriching program — I highly recommend it!
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Sanaswadi, Maharashtra, India
I recently had the opportunity to participate in the Lean Japan Tour by Shinka Management, and it was an exceptional experience. The tour is meticulously designed for a concise 7-day itinerary, providing deep and practical insights into Lean Manufacturing. The blend of informative sessions and real-world observations made the learning process both engaging and highly…
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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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Valmiera, Latvia
The Lean Japan Tour program organised by Shinka Management is a fantastic experience for those involved in business and production. It inspires people to make changes for the better and to more effectively organize production regardless of the industry they represent.
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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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