Salzgitter AG engages in the manufacture of steel and technology products. It operates through the following business units: Strip Steel, Plate/Section Steel, Mannesmann, Trading, and Technology. The Strip Steel unit produces, processes and sells strip steel in a wide variety of metallurgic compositions and dimensions. The Plate/Section Steel unit manufactures plates. The Mannesmann unit offers a wide range of steel tubes and pipes. The Trading unit handles sales network and global trading companies and sales offices. The Technology unit focuses on machinery and plants for the filling and packaging of beverages. The company was founded on September 6, 1858 and is headquartered in Salzgitter, Germany.