| 3/13/2018 | 680710000000 | WATER INSULATION MEMBRANE
| 19200 | Meter Square | 32248.38 | N/A | STOPER YAPI VE YALITIM SISTEMLERI A.S. |
| 3/19/2018 | 680710000000 | WATER INSULATION MEMBRANE
| 9200 | Meter Square | 16017.02 | N/A | STOPER YAPI VE YALITIM SISTEMLERI A.S. |
| 3/25/2018 | 680710000000 | QUICK SHINGLE CLASSIC RED (WATERPROOFING MEMBRANE), QUICK SHINGLE CLASSIC YESIL (WATERPROOFING MEMBRANE)
| 4830 | Meter Square | 12319.3 | N/A | DIMERMAK MAKINA VE INSAAT MALZ. TURIZM DIS TIC. LTD. STI. |
| 3/27/2018 | 680710000000 | WATER INSULATION MEMBRANE
| 14400 | Meter Square | 27995.8 | N/A | STOPER YAPI VE YALITIM SISTEMLERI A.S. |
| 3/26/2018 | 680710000000 | BITÜKAL PLUS P 3,4X4 MEMBRANE ALFA AP 400, BITÜKAL P 40 MNR RED (40 KG), BITÜKAL P 3
| 3450 | Meter Square | 4430.9 | N/A | ÇUKUROVA YALITIM ÇATI KAPLAMA VE PLASTIK ÜRÜNLERI SAN. VE TIC. A.S. |
| 3/6/2018 | 680710000000 | WATER INSULATION MEMBRANE
| 5760 | Meter Square | 10331.8 | N/A | STOPER YAPI VE YALITIM SISTEMLERI A.S. |
| 3/11/2018 | 680710000000 | B. BASED INSULATION MEMBRANE PP400 (BITUM BASED WATER INSULATION MEMBRANE)
| 4000 | Meter Square | 7849.68 | N/A | OSMANLI NAFTA KIMYAIZOLASYON SAN.VETIC.LTD.STI. |
| 3/6/2018 | 680710000000 | WATER INSULATION MEMBRANE
| 26000 | Meter Square | 37890.09 | N/A | STOPER YAPI VE YALITIM SISTEMLERI A.S. |
| 3/19/2018 | 680710000000 | WATER INSULATION MEMBRANE
| 6000 | Meter Square | 10611.4 | N/A | STOPER YAPI VE YALITIM SISTEMLERI A.S. |
| 3/19/2018 | 680710000000 | * BITULINE PP300-WATERPROOFING MEMBRANE (BITULINE PP300-WATERPROOFING MEMBRANE), BITULINE PP40M RED-WATERPROOFING MEMBRANEBITULINE PP40M RED WATERPROOFING MEMBRANE
| 6400 | Meter Square | 13423.65 | N/A | ONDULINE AVRASYA INSAAT MALZEMELERI SANAYI VE TICARET A.S. |