3/22/2018 | 853010000000 | RAILWAY SPRING CONTROL AND CONTROL SYSTEM
| 38 | Units | 467587.19 | N/A | ULTRA TEKNOLOJI SANAYI VE TIC.A.S. |
3/29/2018 | 853010000000 | "DEVICES FOR RAILWAYS OR TRAMWAYS (TRAMWAY LINE EMINÖNÜ, ZEYTINBURNU AND GÜNGÖREN STATIONS SIGNALIZATION AND ELECTRONIC TRACKING SYSTEM ADDITIONAL WORKS) (YTB: 26.10.2018-500957)"
| 58 | Units | 729836.41 | N/A | ISTANBUL BÜYÜK SEHIR BELEDIYE BASKANLIGI |
3/1/2024 | 853010000000 | SIGNALING SYSTEM FOR DUDULLU BOSTANCI METRO LINE PROJECT (METRO RAILWAY LINE SIGNALING SYSTEM + EQUIPMENT) | 1 | SET | 119312 | N/A | ŞENBAY-KOLİN-KALYON DUDULLU-BOSTANCI METRO YAPIM ORTAKLIĞI |
3/20/2024 | 853010000000 | SIGNALING SYSTEM FOR DUDULLU BOSTANCI METRO LINE PROJECT (METRO RAILWAY LINE SIGNALING SYSTEM + EQUIPMENT) | 1 | SET | 52752 | N/A | ŞENBAY-KOLİN-KALYON DUDULLU-BOSTANCI METRO YAPIM ORTAKLIĞI |