| 3/28/2018 | 680690000019 | 26309 T-PLATE N17 Ø 140BT / REFRACTORY MATERIAL, 26608 T-PLATE N17Ø 178BT / REFRACTORY MATERIAL, 29676 T-PLATE N17Ø152BT / REFRACTORY MATERIAL
| 60 | Units | 1783.88 | N/A | PYROTEK REFRAKTER SANAYI VE TICARETLTD.STI. |
| 3/29/2018 | 680790000000 | WATER INSULATION MATERIALS
| 401 | Units | 1668.5 | N/A | BTM BITÜMLÜ TECRIT MADDELERI SANAYIVE TICARET A.S. |
| 3/15/2018 | 680610000000 | INSULATION MATERIAL
| 6293.76 | Meter Square | 44307.57 | N/A | TERSAN TERSANECILIK SANAYI VE TICARET ANONIM SIRKETI |
| 3/26/2018 | 680620900018 | PERLIT (MATERIAL IS 1480 BAG)
| 1480 | Units | 3510.4 | N/A | GLOBAL PERLITE VERMICULITE INSAAT SANAYI VE TICARET LIMITED SIRKETI |
| 3/7/2018 | 680610000000 | ARPOL BOARD / INSULATION MATERIAL
| 20 | Cubic Meter | 1227.4 | N/A | BIMAY YAPI INSAAT SANAYI VE TICARET LIMITED SIRKETI |
| 3/14/2018 | 680610000000 | TEKFIBER SE BLANKET (INSULATION MATERIAL)
| 100 | Units | 2282.8 | N/A | ZET MEKATRONIK OTOMASYON ELEKTRIK ELEKTRONIK MAKINE VE ROBOT KONTROL UYGULAMALARI SANAYI VE TICARET LIMITED SIRKETI |
| 3/12/2018 | 680610000000 | LANDSCAPE - BUILDING MATERIAL
| 451.44 | Meter Square | 2328.74 | N/A | ILKE MAKINA ELEKTRIKINS.SAN.VE TIC.LTD.STI. |
| 3/26/2018 | 680690000019 | THE INSULATION MATERIAL THAT MAKES THE CASTING PARTS STAINLESS
| 300 | Units | 2289.09 | Halkali Customs | VESUVIUS ISTANBUL REFRAKTER SANAYI VE TIC.A.S. |
| 3/29/2018 | 680710000000 | WATER INSULATION MATERIAL (P 4000-KK1000-KKF 1000-SP 300-SP 400)
| 8720 | Meter Square | 10796.51 | N/A | BTM BITÜMLÜ TECRIT MADDELERI SANAYIVE TICARET A.S. |
| 3/6/2018 | 680790000000 | INSULATION MATERIAL
| 4656.96 | Meter Square | 15828.18 | N/A | BTM BITÜMLÜ TECRIT MADDELERI SANAYIVE TICARET A.S. |