Home Companies Salzgitter Mannesmann Handel GmbH Salzgitter Mannesmann Handel GmbH Companies in the area of Metallverarbeitung is searching for students and graduates Together with its subsidiaries Salzgitter Mannesmann Handel GmbH, Düsseldorf forms the scope of consolidation of the businss unit Trading. Worldwide group shipments during the fiscal year 2016 were about 5.3 million tonnes. Düsseldorf Schwannstraße 12, 40476 Düsseldorf