| 3/20/2024 | 902790000000 | GAS CALIBRATION DEVICE PART | 12 | UNIT | 2196 | N/A | ENGİN KOÇ |
| 3/13/2018 | 382200009019 | CALIBRATION GAS
| 5 | Units | 13874.14 | N/A | HATTI TEKNIK ANALIZVE OTO.HIZM.SAN.VE TIC.LTD.STI. |
| 3/7/2024 | 280430000000 | TES-T GASES, NITROGEN FOR CALIBRATION | 2 | UNIT | 107 | N/A | DRAEGER SAFETY KORUNMA TEKNOLOJİLERİ ANONİM ŞİRKETİ |
| 3/20/2024 | 902790000000 | GAS CALIBRATION DEVICE PART | 7 | UNIT | 1790 | N/A | ENGİN KOÇ |
| 3/8/2018 | 902710100000 | GAS CALIBRATION DEVICE
| 30 | Units | 2469.54 | N/A | ENGIN KOÇ |
| 3/20/2018 | 382200009019 | MIXED GAS USED IN CALIBRATION PROCESS (NOT USED IN LABORATORIES AND FOR DIAGNOSTIC PURPOSES-NOT YGSKGTE-15 TUBES)
| 15 | Units | 1054.92 | N/A | DOGANAK DOGAN AKYÜZVE ORT.KOLL.STI. |
| 3/20/2018 | 382200009019 | MIXED GAS USED IN CALIBRATION PROCESS (NOT USED IN LABORATORIES AND FOR DIAGNOSTIC PURPOSES-NOT YGSKGTE-15 TUBES)
| 15 | Units | 1054.93 | N/A | DOGANAK DOGAN AKYÜZVE ORT.KOLL.STI. |
| 3/15/2018 | 382200009019 | CALIBRATION TEST GAS
| 53 | Units | 6070.83 | N/A | PROSENSE TEKNOLOJI SANAYI LIMITED SIRKETI |
| 3/18/2018 | 382200009019 | CALIBRATION GAS
| 50 | Units | 5537.87 | N/A | TEDEKS IS GÜVENLIGIÜRÜNLERI VE ÖLÇÜM CIH.SAN.VE TIC.LTD.STI |
| 3/8/2018 | 902710100000 | GAS CALIBRATION DEVICE
| 13 | Units | 8774.57 | N/A | ENGIN KOÇ |