China Steel Corp (CSC) specializes in the manufacture and sale of steel products. The company is involved in iron and steel smelting and refining, casting, rolling, extruding, and secondary processing. It is also involved in metal forging, heat treatment, and surface treatments. The company operates in various sectors, including iron and steel smelting, refining, casting, rolling, extruding, and secondary processing. CSC serves industries such as shipbuilding, construction, automotive, machinery, and energy. As of December 31, 2025, the company produced 7,959,249 metric tons of crude steel.

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CSC has implemented a comprehensive R&D strategy focused on becoming a high value-added steel mill and developing green technologies, energy, and resources. The company is accelerating digital, low-carbon, and supply chain transformations by integrating resources into critical technologies and priority application areas. This approach aims to strengthen product differentiation and enhance added value while embedding sustainable operation principles into product development and process innovation. In 2025, CSC completed 37 new product development projects, with 17 classified as Advanced Premium Steel (APS). The company has made significant advancements in various steel categories, including high-quality forming steels, superior hand tool steels, high-performance structural steels, advanced ultra-high strength and toughness steels, steel for green energy and home appliances, advanced alloy steels, cross-generational automotive steels, and ultra-high efficiency electrical steels. Additionally, CSC has developed intelligent manufacturing technologies and energy-saving, carbon reduction, and environmental protection technologies. In FY2025, the company spent TWD2,172.6 million, which as a percentage of total revenue stood at 0.7%.