What is the largest steel plant in South Korea?

Written by Editorial Team | Last Updated: August 2026

The Pohang Iron and Steel Company works, commonly known as the POSCO Gwangyang Steelworks alongside its historic Pohang facility, represents the largest steel manufacturing plant in South Korea and one of the largest integrated steel mills in the world. Spanning massive coastal land areas, the Gwangyang complex specializes in high-efficiency automotive sheet steel, plate, and strip production, utilizing advanced technological processes to supply global shipbuilding and manufacturing industries.

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POSCO, officially known as POSCO Holdings Inc., is globally known as one of the largest and most advanced multinational steel-making enterprises in the world.

POSCO is a premier global steel-making enterprise that manufactures a comprehensive array of high-grade metal products and advanced industrial materials.

POSCO is not restricted solely to India, operating instead as a massive multinational enterprise with a sprawling global footprint spanning South Korea, China, Indonesia, Vietnam, the United States, and various European and Latin American nations.

POSCO is an authentic South Korean multinational corporation, founded and headquartered in South Korea with its primary corporate roots, major manufacturing facilities, and executive leadership anchored in the country.

POSCO, one of the world's largest steel-making enterprises, sells a diverse portfolio of advanced metallurgical and high-tech industrial materials to global manufacturing sectors.

POSCO International Corporation, the major global trade and investment arm of the South Korean POSCO Group specializing in international commodity trading, energy development, and supply chain logistics, has its primary corporate headquarters loca...

The global industrial enterprise name POSCO historically stands for the Pohang Iron and Steel Company, reflecting its origins as a state-backed steel manufacturer established in the city of Pohang, South Korea.

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POSCO Holdings Inc. trades on the New York Stock Exchange under the ticker symbol PKX at a market price of approximately $53.17 per share.

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POSCO International Corporation is publicly listed on the Korea Exchange under the stock code 047050.

POSCO Holdings is indeed a premier multinational corporate enterprise headquartered in Pohang, South Korea, and stands as one of the most prominent industrial conglomerates in the country.

POSCO Holdings Inc., a premier global steel manufacturing and green materials conglomerate headquartered in South Korea, is publicly traded on the Korea Exchange under the primary stock ticker code 005490.

POSCO Holdings Inc. is a massive South Korean multinational steel-making and industrial conglomerate headquartered in Pohang, South Korea.