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.



Los Alamos, New Mexico, United States
The Lean Japan Tour was one of the best quality training programs that I’ve attended. The information is provided in a good learning environment and the hands on activities along with in-plant tours to see the lean concepts in action helped reinforce the concepts. There is so much I learned on this trip that I…
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Adelaide, South Australia, Australia
Participating in the Shinka Management Lean Japan Tour was a transformative experience. The tour offered a rare opportunity to witness world-class lean practices in action at leading Japanese organisations. From visiting Toyota’s manufacturing facilities to learning directly from lean practitioners, every moment was an invaluable learning experience. The insights gained into kaizen, waste reduction, and…
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Guangzhou, Guangdong, China
The training schedule is very tight and efficient, the class room training was practical and led by an experienced teacher from Toyota, and the tour visits covered a wide range of industries including car manufacturing, parts processing and healthcare.
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Kaiserslautern, Germany
The Lean Japan Tour was an educational and exciting experience. The Shinka Management team with its impeccable all-round service ensured that the head and heart were free and open the whole time to be able to collect the many impressions. The factory tours, in connection with getting to know the country and culture, have expanded…
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Denver, Colorado, United States
This was my third visit to Japan with Shinka Management and it is difficult for me to find the right words to express my gratitude for such a well-organized tour and my appreciation for the high quality and on-target content. In my previous visits I received very valuable information related to continuous improvement principles and…
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Shanghai, China
The overall experience on the Lean Japan Tour is great with a lot of learnings from the trainings, workshops and company and factory visits. The accommodation and meals were also well arranged with the schedule and agenda organized in a great manner. Really appreciate Ben and Paul making everything comfortable and efficient during the whole…
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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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