Prequalification for : Reconstruction and modernization of railway line “Niš-Dimitrovgrad – Section Bypass of Niš“, Reference number: EIB-GtP/27/22/OON
Reconstruction and modernization of existing railway line and construction of the second track railway Belgrade-Nis, Stalac - Djunis Section. Lot 2 Reference number: EIB-GtP/MOB 1/2021/3.4-2