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Operated in 1937 as a manufacturer of ignition coils for automobiles

Diamond Electric Mfg. located in Osaka City, manufactures and sells automobile equipment and electronic control parts and controllers. The company founded in 1937 by Inosuke Tomita who started manufacturing and marketing automotive ignition coils first. Then, the company has grown as a credible company, such as being certified as an excellent automobile part by the Ministry of International Trade and Industry.

Diamond Electric Mfg. is currently a major group company of Diamond Electric Holdings Co., Ltd., and has 12 domestic bases (2 affiliated companies), and is a global company with 11 overseas bases. Their “Monozukuri” spirit is also expanding globally.

The company’s main businesses are the manufacturing and sales of automobile equipment such as ignition coils for automobiles, engine combustion control systems and controllers, and the manufacturing and sales of electronic control parts and controllers such as indoor air conditioners and water heaters.

Q Can this page be viewed in other languages?

Yes, this page has a Japanese page, please click here.

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