- Business
- Magmag, Inc. (Tokyo Stock Exchange: 4059) develops and provides magnesium alloy-based automotive components and materials. The company offers die-cast magnesium alloy products, including transmission cases, cylinder heads, engine covers, and steering components; magnesium alloy plates and sheets for lightweight structural applications; and precision machined parts for electric vehicle (EV) powertrains and chassis systems. It serves major automakers and tier-one suppliers in the automotive sector, with operations centered in Japan and expanding production facilities in Asia. Founded in 1971 and headquartered in Fukuyama, Hiroshima Prefecture, Japan, Magmag operates through subsidiaries focused on alloy smelting and surface treatment technologies. In late 2024, the company announced a strategic alliance with a leading EV battery manufacturer to co-develop next-generation magnesium alloy casings for high-density power modules, enhancing thermal management efficiency; additionally, it completed a JPY 5 billion funding round in early 2025 to support capacity expansion at its Okayama plant amid rising demand for lightweight materials in hybrid and electric vehicles.