| 3/12/2018 | 391723900000 | PIPE (CORRUGATED-DRAINAGE)
| 2890 | Meter | 11535.98 | N/A | AYSAN PLASTIK SANAYI VE TICARET ANONIM SIRKETI |
| 3/8/2018 | 391732008000 | Ø 160 DRAINAGE PIPE
| 1000 | Meter | 1690.58 | N/A | GENSER GENEL MÜHEN.TAAH.VE TIC.A.S. |
| 3/7/2018 | 391739008000 | Ø200 MM TUNNEL TYPE DRAINAGE PIPE
| 948 | Meter | 5406.4 | N/A | YAPI MERKEZI INSAATVE SAN.A.S. |
| 3/8/2018 | 391721100000 | ** KORIGE DRAINAGE PIPE 2018 / D1-05962 **
| 7365 | Kilogram | 4492.58 | N/A | KUZEY BORU PLASTIK SAN.TIC.LTD.STI. |
| 3/1/2018 | 391721100000 | KORIGE DRAINAGE PIPE
| 15380 | Kilogram | 22930.4 | N/A | KUZEY BORU PLASTIK SAN.TIC.LTD.STI. |
| 3/2/2018 | 391721100000 | HDPE 100 PIPE - HDPE DRAINAGE PIPE (PIPE)
| 5681 | Kilogram | 8825.5 | N/A | ALMOHANDES INSAAT GIDA TEKSTIL TIBBI CIHAZLAR ITHALAT IHRACAT SANAYI TICARET LIMITED SIRKETI |
| 3/6/2018 | 391721100000 | KORIGE DRAINAGE PIPE
| 4710 | Kilogram | 5299.46 | N/A | KUZEY BORU PLASTIK SAN.TIC.LTD.STI. |
| 3/1/2018 | 391721100000 | CORRUGATED DRAINAGE PIPE
| 22200 | Kilogram | 20959.6 | N/A | KUZEY BORU PLASTIK SAN.TIC.LTD.STI. |
| 3/4/2018 | 391721100000 | ** KORIGE DRAINAGE PIPE 2018 / D1-05962 **
| 6950 | Kilogram | 4181.41 | N/A | KUZEY BORU PLASTIK SAN.TIC.LTD.STI. |
| 3/18/2018 | 391721100000 | CORRUGATED DRAINAGE PIPE
| 3008.6 | Meter | 33539.7 | N/A | KUZEY BORU PLASTIK SAN.TIC.LTD.STI. |