Seah Air Defense Materials to build high-strength aluminum plant in Changnyeong-gun, South Korea

Seah Air Defense Materials announced on October 28, 2025, that it will build a new factory in Changnyeong-gun, Gyeongsangnam-do, South Korea, to produce 770 tons per year of high-strength aluminum materials for aviation. The first-phase investment is about 58.8 billion won, with total investment planned to reach 100 billion won by 2034. Commercial production is scheduled for the second half of 2027.

“We will grow into a leading company in the global aviation industry material field by supplying advanced materials with various specifications.”mk.co.kr

• 2 sources
• mk.co.krSeah Air Defense Materials announced on the 28th that it will build a new factory in Changnyeong-gun.. - MKOct 28, 2025
• etoday.co.kr세아항공방산소재, 알루미늄 공장 신설 “항공소재 시장 공략” - 이투데이Oct 28, 2025

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