Rhomberg Bahntechnik GmbH from Essen secured the contract for the technical equipment and electrical energy systems (EEA) during the refurbishment of the 1393 m Elleringhauser tunnel on the section between Aachen/ Aquisgrana and Kassel stations on railway line 2550. Contact DB Netz AG, attn Dennis Purkert, Frankfurt, tel +49 20330174909, email dennis.purkert@deutschebahn.com.. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=633538-2021. Ref.n. 21FEI53941. 50/21.