| 3/8/2018 | 381600000011 | FIRE RESISTANT CEMENT
| 1 | Units | 2069.73 | N/A | ER-BAKIR ELEKTROLITIK BAKIR MAMULLERI A.S. |
| 3/6/2018 | 381600000019 | HEAT RESISTANT MATERIAL USED IN FOUNDRY (CORAL SP1)
| 78000 | Kilogram | 89395.89 | N/A | ZENMET DIS TICARET ANONIM SIRKETI |
| 3/19/2018 | 381600000019 | HEAT RESISTANT MATERIAL USED IN FOUNDRY (CORAL SP1)
| 52000 | Kilogram | 59663.54 | N/A | ZENMET DIS TICARET ANONIM SIRKETI |
| 3/8/2018 | 381600000012 | FIRE-RESISTANT MORTAR - IT WILL BE USED TO MAKE A REFRACTORY MATERIAL-
| 24498 | Kilogram | 18446.77 | N/A | SÖRMAS SÖGÜT REFRAKTER MALZ.A.S. |
| 3/4/2018 | 381600000019 | HEAT RESISTANT MATERIAL USED IN FOUNDRY (CORAL SP1)
| 130000 | Kilogram | 150724.2 | N/A | ZENMET DIS TICARET ANONIM SIRKETI |
| 3/25/2018 | 381600000019 | HEAT RESISTANT MATERIAL USED IN FOUNDRY (CORAL SP1)
| 104000 | Kilogram | 119643.11 | N/A | ZENMET DIS TICARET ANONIM SIRKETI |
| 3/20/2018 | 381600000012 | FIRE-RESISTANT MORTARS USED IN FOUNDRY
| 11150 | Kilogram | 17675.95 | N/A | VESUVIUS ISTANBUL REFRAKTER SANAYI VE TIC.A.S. |
| 3/5/2018 | 381600000019 | HEAT RESISTANT MATERIAL USED IN FOUNDRY (CORAL SP1)
| 78940 | Kilogram | 91126.49 | N/A | ZENMET DIS TICARET ANONIM SIRKETI |
| 3/22/2024 | 381600900019 | FIRE RESISTANT MIXTURES | 17936 | UNIT | 63007 | N/A | EGE MAKİNE VE TEKNİK MALZEME SANAYİ VE TİCARET LİMİTED ŞİRKETİ |
| 3/1/2024 | 381600900019 | HEAT RESISTANT MATERIAL USED IN FOUNDRY/(CORAL SP1) | 104000 | KILOGRAM | 121690 | N/A | ZENMET DIŞ TİCARET ANONİM ŞİRKETİ |