Maanshan Iron & Steel Company Limited, together with its subsidiaries, manufactures and sells iron and steel products, and related by-products in Mainland China, Hong Kong, and internationally. The company offers steel plates, including hot and cold-rolled thin plates, galvanized plates, coil-coating plates, and medium plates; section steel products, such as H-shaped steel and medium-shaped steel; high-speed wire rod and hot-rolled reinforcing steel products; and train wheels and wheel rims. It also engages in the production and distribution of ferrous metallurgy, screw threaded steels, round and section steels, angle and deformed steels, wires, and rods; sale, import, and export of iron ore, iron ore fines, and scrap steel; metallurgy and extended processing of ferrous metals; production and sale of coke and coke chemical products and energy; production and distribution of metallic products; design, research and development, manufacture, maintenance, and sale of rail wheels, axles, wheel sets, bogies, and other rail equipment; trading of steel products and pig iron; and investment and trading businesses.

The company was founded in 1953 and is headquartered in Maanshan, the People's Republic of China.