| 3/26/2018 | 391721100000 | "HDPE PIPE Ø 160 MM, HDPE PIPE Ø 125 MM"
| 1550 | Meter | 6875.39 | N/A | GEBERIT TESISAT SISTEMLERI TIC.LTD.STI. |
| 3/11/2018 | 391721100000 | "HDPE PIPE Ø 56 MM, HDPE PIPE Ø 63 MM, HDPE PIPE Ø 75 MM, HDPE PIPE Ø 90 MM, HDPE PIPE Ø 125 MM, HDPE PIPE Ø 160 MM"
| 5335 | Meter | 14782.9 | N/A | GEBERIT TESISAT SISTEMLERI TIC.LTD.STI. |
| 3/11/2018 | 391721100000 | "HDPE PIPE Ø 63 MM, HDPE PIPE Ø 110 MM, HDPE PIPE Ø 160 MM, HDPE PIPE Ø 200 MM, HDPE PIPE Ø 250 MM"
| 2550 | Meter | 12201.35 | N/A | GEBERIT TESISAT SISTEMLERI TIC.LTD.STI. |
| 3/6/2018 | 390120900011 | HIGH DENSITY POLYETHYLENE (HDPE PIPE GRADE YUZEX 6100) (SOLID)
| 204750 | Kilogram | 253687.85 | N/A | OXYPLAST KIMYEVI MADDELER VE PLAS.SAN.VEDIS TIC.LTD.STI. |
| 3/29/2018 | 391721100000 | HDPE PIPE 100M PN6 SDR26 D.1800
| 20 | Units | 33745.29 | N/A | TURAN MAKINA PLASTIK BORU SISTEMLERI ANONIM SIRKETI |
| 3/22/2018 | 390120900011 | CARBONBLACK OXYPLAST P600BL (HDPE PIPE GRADE PE-100 BLACK P600 BL)
| 102000 | Kilogram | 117968.87 | N/A | MERKIMLAB LABORATUVAR HIZMETLERI LIMITED SIRKETI |
| 3/22/2024 | 391731008000 | PE 100 HDPE PIPE - FREE AND SAMPLE | 23 | UNIT | 1448 | N/A | KALDE KLİMA ORTA BASINÇ FİTTİNGS VE VALF SANAYİ ANONİM ŞİRKETİ |
| 3/11/2024 | 391721100000 | HDPE PIPE Ø 63 MM,HDPE PIPE Ø 90 MM,HD/PE PIPE Ø 160 MM | 3370 | METRE | 28778 | N/A | GEBERİT TESİSAT SİSTEMLERİ TİCARET LİMİTED ŞİRKETİ |
| 3/15/2024 | 391721100000 | HDPE PIPE Ø 75 MM,HDPE PIPE Ø 90 MM,HDPE PIPE Ø 315 MM,HDPE PIPE, GEBERIT, D 315, PN 4,HDPE PIPE +Ø 125 MM | 2615 | METRE | 25123 | N/A | GEBERİT TESİSAT SİSTEMLERİ TİCARET LİMİTED ŞİRKETİ |
| 3/25/2024 | 391740000019 | HDPE FITTINGS (PLASTICS AND THEIR PRODUCTS, HOSES, PIPES AND CONNECTING ELEMENTS (SUCH AS MANSON, N+IPEL, ELBOW, FLANS): CONNECTING ELEMENTS: OTHERS) | 27206 | UNIT | 30653 | N/A | DERİN-SU BORU EK PARÇA MAKİNE HAFRİYAT İNŞAAT TAAHHÜT HIRDAVAT TİCARET VE SANAYİ LİMİTED ŞİRKETİ |