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.



Melbourne, Victoria, Australia
I recently had the privilege of attending the Lean Japan Tour organized by Shinka Management, and I can say it was an unforgettable experience! From start to finish, the tour was exceptionally well-managed, and I came away with a wealth of new knowledge and insights into lean manufacturing. I want to express my gratitude to…
read more

Christchurch, Cantebury, New Zealand
I was very pleased to join the March 2026 Shinka Management Lean Tour in Japan. Having previously worked with the Toyota Way and Kaizen in the early 1990s, I was keen to revisit this manufacturing philosophy, and the opportunity to see Lean in action in Japan was not to be missed. The tour was outstanding.…
read more

Jeddah, Saudi Arabia
Having completed several graduate courses in lean production and management during my MSc in Industrial Engineering, I was no stranger to the principles and theories that underpin this field. However, the opportunity to embark on the Lean Japan Tour with Shinka Management was nothing short of transformative. It strengthened my understanding of lean practices to…
read more

Melbourne, Victoria, Australia
The Shinka Lean Management Tour was a great experience, with group members from across the globe. A combination of classroom, hands-on and site visit learning provided good insight into lean principles. The tour was very well organised, ran smoothly and was a pleasure to be a part of.
read more

Auckland, New Zealand
First of all I would like to offer an absolute gesture of gratitude to the Shinka Management team – Paul, Ichi, Kaji Sensei, and especially Eri who often went out of her way to make sure everything ran smoothly and we had a great time. In my opinion the organization of the whole tour was…
read more

Newcastle, New South Wales, Australia
Businesses need every weapon at their disposal to help compete in a global market. This tour opens up more ideas and opportunities and is highly recommended to manufacturers, engineering or service related industries. Everyone can learn something on this tour! Paul and Ben have done a marvelous job of putting together an action-packed week, which…
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.
