On 10 October Japan’s Ministry of Economy, Trade and Industry (METI) disclosed that some Japanese defence industrial goods had been built using metals procured from Kobe Steel, which recently admitted to falsifying data about the strength and durability of its aluminium and copper products.
METI announced that Japan’s four biggest defence manufacturers – Mitsubishi Heavy Industries (MHI), Kawasaki Heavy Industries (KHI), Subaru Corporation, and IHI Corporation – have respectively used Kobe Steel aluminium to manufacture equipment for the Japan Self-Defense Forces. METI did not identify the defence products involved.
The ministry said that the four defence corporations have been asked to co-operate with a wider government investigation into the scope of Kobe Steel aluminium and copper used in Japanese industry.
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