| 3/15/2018 | 732690980019 | VENTILATION DUCT ADAPTER (CONNECTOR) 130 PCS
| 1787.1 | Kilogram | 2780.46 | N/A | ISIL MÜHENDISLIK MAKINA VE INS.SAN.TIC.A.S. |
| 3/8/2018 | 732690980019 | VENTILATION DUCT ADAPTER (CONNECTOR) 95 PCS
| 1068.5 | Kilogram | 1845.8 | N/A | ISIL MÜHENDISLIK MAKINA VE INS.SAN.TIC.A.S. |
| 3/13/2018 | 732690980019 | VENTILATION DUCT ADAPTER (CONNECTOR) 195 PCS
| 1520.45 | Kilogram | 6120.63 | N/A | ISIL MÜHENDISLIK MAKINA VE INS.SAN.TIC.A.S. |
| 3/2/2018 | 732690980019 | VENTILATION DUCT ADAPTER (CONNECTOR) 80PCS
| 1095.77 | Kilogram | 1820.13 | N/A | ISIL MÜHENDISLIK MAKINA VE INS.SAN.TIC.A.S. |
| 3/1/2018 | 732690980019 | VENTILATION DUCT MANUFACTURING
| 920 | Meter Square | 64402.8 | N/A | ASMERT INSAAT ME.HA.GI.VE TA.ÜR.SAN.VE TIC.LTD.STI. |
| 3/29/2018 | 732690980019 | VENTILATION DUCT ADAPTER (CONNECTOR) 200 PIECES
| 3233.89 | Kilogram | 4742.8 | N/A | ISIL MÜHENDISLIK MAKINA VE INS.SAN.TIC.A.S. |
| 3/29/2018 | 730690000011 | STAINLESS VENTILATION DUCT
| 34 | Meter Square | 2654.8 | N/A | KARTEL DOGALGAZ HAVALANDIRMA VE BACA SISTEMLERI SAN.TIC.LTD.STI. |
| 3/6/2018 | 730690000011 | VENTILATION DUCT-REDUCTION-DIRSEGI-S PART-COLLECTOR-BOX
| 50 | Units | 1179.28 | N/A | PARANTEZ MÜHENDISLIK MIMARLIK MEKANIK HAVALANDIRMA SIHHI TESISAT INSAAT IZOLASYON TICARET LIMITED SIRKETI |
| 3/14/2018 | 730690000011 | GALVANIZED VENTILATION DUCT 55 * 45 * 120 CM.
| 39 | Units | 1408.07 | N/A | ÖMER TOLGA ÇAKIR |
| 1/16/2024 | 730890590011 | GCMC VENTILATED COVER E=1,5 H:15MM L=3000,VENTILATED CABLE CARRIER COVER T=1,HEAVY DUTY TYPE CABLE DUCT H=100 E=1,5MM L=3000MM,LADDER H:150 T:2,5 L:6MT STEP 40X20X2MM, VENTILATED CABLE CARRIER COVER E=1MM | 26388 | METRE | 0 | N/A | GERSAN ELECTRIC TRADE AND INDUSTRY JOINT STOCK COMPANY |