Franz Rudolf Stallmann

Erich Friedrich Hüttenservice GmbH is a steel manufacturing private company based in Salzgitter, Germany. Erich Friedrich Hüttenservice GmbH specializes in the production of steel products. The German company was founded in 1990 and is currently led by CEOs Jörgen Johannes Sassen and Franz Rudolf Stallmann.

EF Holding GmbH provides comprehensive services to support the iron and steel industry in all aspects of industrial waste management, logistics of raw materials, refractory recycling, and cleaning of production facilities. The private company is based in Salzgitter, Germany. The FRIEDRICH GRUPPE is a leading service provider in the iron and steel industry and has been responsible for sustainable management of industrial by-products for over 60 years. The German company offers high-quality secondary raw materials that are often superior in quality to primary raw materials. These materials are suitable for use in the construction industry, agriculture, and other sectors. The CEOs of the company are Jörgen Johannes Sassen, Franz Rudolf Stallmann, Ralf Jeffraim.