Innovating Steel Solutions
DongHae Machinery Manufacturing Co.,Ltd
– Your Global Partner for Innovative Steel Processing Solutions
Established in 1987 and based in Gwangmyeong, South Korea,
DongHae Machinery Manufacturing Co., Ltd. has evolved into a high-tech engineering company with a proven history of collaboration with major steelmakers such as
POSCO, Hyundai Steel, and Dongbu Steel.
We specialize in the engineering, manufacturing, and full turnkey (EPC) supply of:
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Color Coating Lines (CCL) with printech(laminating)
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Continuous Galvanizing Lines (CGL)
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Sandwich Panel Production Lines
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Coil Processing Lines: Cut-to-Length (CTL), Slitting (STL), Oscillating Shear
Building on decades of trusted partnerships in Korea's top steel mills, DongHae has expanded globally delivering high-efficiency, eco-conscious solutions to customers across Asia, the Middle East, Eastern Europe, and beyond.
Our solutions include:
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Environmentally compliant R.T.O (Regenerative Thermal Oxidizer) systems
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Comprehensive revamping (speed up) & modernization services (add tension leveler)
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Essential spare parts & technical support (basic engineering and drawing work)
Driven by engineering excellence, sustainability, and customer focus,
DongHae continues to lead the next generation of steel processing innovation around the world.




