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.

It offers steel plates, including hot and cold-rolled thin plates, galvanized plates, coil-coating plates, and medium plates; section steel products comprising H-shaped steel and medium-shaped steel; high-speed wire rod and hot-rolled reinforcing steel products; and rain 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; sales, imports, and exports of iron ore, iron ore fines, and scrap steel; metallurgy and extended processing of ferrous metals; production and sales of coke and coke chemical products and energy; production and distribution of metallic products; design, research and development, manufacturing, maintenance, and sales 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.