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Steel Bridge​

We promise to deliver customer value with the world's highest level of technology and quality.

Marine Master Technology's

steel bridge business is based on 30 years of know-how.

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We possess the nation's top records in the manufacture and installation of steel bridges, including the Yi Sun-sin Bridge and Cheonsa Bridge. With quality management as our core value, we are expanding our business areas, including the completion of the Gunsan plant for manufacturing large structures such as offshore steel bridges.

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30 years of know-how

"As a producer of special/offshore steel bridges, our reputation is solidified by significant projects, including the Ilsan Bridge over the Han River, the three-span Nielsen arch Aphae Bridge, and the country's longest suspension bridge, the Yi Sun-sin Bridge.

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The Highest Technical Expertise

We have expertise in diverse bridge types, including Box and Plate girders, as well as special/offshore structures like Arch and Suspension bridges. Our role is expanding as a leader in key national projects across roads, railways, and ports.

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Optimized Automated Equipment

Since our Gunsan plant opened in September 2013, we've utilized its adjacent pier and specialized facilities for large structure manufacturing. Our large-scale blasting and all-weather painting equipment improve cost-efficiency, quality, and delivery reliability, strengthening customer trust.

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