| 3/21/2018 | 848130910000 | CAST IRON AND STEEL CHECK VALVES
| 23 | Units | 2484.9 | N/A | VENKAVA VENTIL VE BUHAR KAPANI SANAYI VE TICARET A.S |
| 3/11/2018 | 848130910000 | CHECK VALVES (NON-RETURABLE) - - CAST IRON OR STEEL
| 4 | Units | 1033.41 | N/A | GÖKER IS MAKINALARISAN.VE TIC.A.S. |
| 3/13/2018 | 848130910000 | CAST IRON-STEEL CHECK VALVE
| 75 | Units | 61784.61 | N/A | VANASAN VANA FITTINGDÖVME SANAYI VETIC.A.S. |
| 3/11/2024 | 848130910000 | CAST IRON CHECK VALVE-LF | 110 | UNIT | 7157 | N/A | TKC ENDÜSTRİYEL ÜRÜNLER VE YAPI MALZEMELERİ SANAYİ TİCARET LİMİTED ŞİRKETİ |
| 3/12/2024 | 848130910000 | CHECK VALVE CAST IRON- | 469 | UNIT | 39868 | N/A | HACI AYVAZ ENDÜSTRİYEL MAMULLER SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/13/2024 | 848130910000 | CAST IRON CHECK V-ALF | 2 | UNIT | 207 | N/A | GETİNGE MEDİKAL SİSTEMLER SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/18/2024 | 848130910000 | CHECK VALVE CAST IRON- | 54 | UNIT | 16109 | N/A | HACI AYVAZ ENDÜSTRİYEL MAMULLER SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/21/2024 | 848130910000 | CHECK VALVE CAST IRON- | 93 | UNIT | 6225 | N/A | HACI AYVAZ ENDÜSTRİYEL MAMULLER SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/20/2024 | 848130910000 | CHECK VALVE CAST IRON- | 250 | UNIT | 13510 | N/A | HACI AYVAZ ENDÜSTRİYEL MAMULLER SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/28/2024 | 848130910000 | CHECK VALVE CAST IRON- | 47 | UNIT | 5804 | N/A | HACI AYVAZ ENDÜSTRİYEL MAMULLER SANAYİ VE TİCARET ANONİM ŞİRKETİ |