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.



Adelaide, SA, Australia
I recently completed the Lean Manufacturing Tour of Japan and can highly recommend it to anyone in manufacturing or looking to further their understanding of Lean principles. The tour was highly educational and provided me with a clear understanding of the short-, medium-, and long-term improvements I can implement to strengthen the business.
read more

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…
read more

Koolywurtie, South Australia, Australia
The team at Shinka have done a sensational job of providing an in-depth tour with lots to learn about the Toyota Production System and lean manufacturing. The tour was carefully planned, and we got the most out of our time in Japan.
read more

Riverlands, Marlborough, New Zealand
Personally and professionally I found the week extraordinarily rewarding – not only as a fantastic Lean Japan Tour but as a cultural experience not to be missed. Imagine if you will… taking a group of people you had never met before, under your wing, in one of the most crowded cities in the world. Plenty…
read more

Adelaide, SA, Australia
Thank you to the Shinka team for a wonderful experience in Japan. The housing mission was professionally organised and executed by Paul, Eri, and the team. The lead-up information provided before heading to Japan was excellent and greatly helped with preparation. Once in Japan, the tour was so efficient that we were able to see…
read more

Rolleston, New Zealand
These tours provide direct, hands-on experience with the Toyota Production System (TPS) and other lean principles in action, going beyond theoretical knowledge. Shinka Management are professional, knowledgeable, and passionate about lean, providing excellent organization. If you are wanting to learn more about lean manufacturing or TPS then this is the best place to start, you…
read more
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
Interested in joining us in Japan? For additional information prior to registration please fill in the form provided or contact us.
