| 3/5/2018 | 730690000011 | 0,60MM AIR DUCT
| 209 | Units | 4494 | N/A | GENERAL MÜTEAHHITLIK MÜHENDISLIK INSAAT ELEKTRIK SANAYI VE TICARET LIMITED SIRKETI |
| 3/7/2018 | 730690000011 | AISI 304 STAINLES STEEL AIR DUCT 80X35CM FITTINGS / STAINLESS DUCT, AISI 304 STAINLES STEEL AIR DUCT 80X35CM AIR DUCT / STAINLESS DUCT, AISI 304 STAINLES STEEL AIR DUCT 30X30CM FITTINGS / STAINLESS DUCT AIR DUCT 30X30CM FITTINGS / STAINUCLES AIR DUCT
| 54.46 | Meter Square | 4139.15 | N/A | KARTEL DOGALGAZ HAVALANDIRMA VE BACA SISTEMLERI SAN.TIC.LTD.STI. |
| 3/19/2018 | 730690000011 | AIR DUCT
| 296 | Units | 26118.55 | N/A | MAKYAP ELEKTROMEKANIK ANONIM SIRKETI |
| 3/8/2018 | 730690000011 | INSULATED AIR DUCT
| 5 | Units | 1514.27 | N/A | HYDRA INSAAT SANAYI VE TICARET ANONIM SIRKETI |
| 3/20/2018 | 730690000011 | GALVANIZED SHEET AIR DUCT 0,60 MM-0,80 MM -1,00 MM, 0,50 MM
| 2726.4 | Meter Square | 22886.91 | N/A | GAMDA INSAAT MIMARLIK MÜHENDISLIK SANAYI TICARET LIMITED SIRKETI |
| 1/15/2024 | 730690000019 | DUCT,ASSY AIR STARTER,UPPER | 1 | UNIT | 0 | N/A | TURKISH AIRLINES TEKNİK JOINT STOCK COMPANY |
| 1/19/2024 | 730690000011 | GALVANIZED AIR DUCT | 26 | SQUARE METERS | 0 | N/A | DRD ENGINEERING ARCHITECTURE CONSTRUCTION EMLAK FURNITURE CONSTRUCTION MATERIALS IMPORT EXPORT INDUSTRY AND TRADE LIMITED COMPANY |
| 1/25/2024 | 730690000011 | AIR COOLED CONDENSER, AIR DUCT | 1 | SET | 0 | N/A | ROTA ENGINEERING AND ENERGY SYSTEMS INDUSTRY TRADE JOINT STOCK COMPANY |
| 1/31/2024 | 730690000011 | AIR COOLED CONDENSER, AIR DUCT | 3 | SET | 0 | N/A | ROTA ENGINEERING AND ENERGY SYSTEMS INDUSTRY TRADE JOINT STOCK COMPANY |
| 1/29/2024 | 730690000011 | AIR COOLED CONDENSER, AIR DUCT | 2 | SET | 0 | N/A | ROTA ENGINEERING AND ENERGY SYSTEMS INDUSTRY TRADE JOINT STOCK COMPANY |