| 3/13/2018 | 848130990000 | CHECK VALVE SPRING BRASS PN16 2, DISCO CHECK VALVE PN16 DN50, DISCO CHECK VALVE PN16 DN100
| 6 | Units | 1173.7 | N/A | YAPI MERKEZI INSAATVE SAN.A.S. |
| 3/11/2018 | 848130990000 | SWING WAFER CHECK VALVE WCB PN16 DN125, SWING WAFER CHECK VALVE WCB PN16 DN100, SPRING CHECK VALVE GG25 PN16 DN025, SPRING CHECK VALVE GG25 PN16 DN032, DISC TYPE CHECK VALVE BRASS PN16 DN032, PN
| 94 | Units | 1676.41 | N/A | DUYAR VANA MAKINA SAN.VE TIC.A.S. |
| 3/27/2018 | 848130990000 | DN150,125,100,80,65,50,40,32 SFERO AND BRASS DISCO CHECK VALVE
| 46 | Units | 1436.75 | N/A | KRAFT TEKNIK ÖLÇÜM CIHAZLARI IMALAT SANAYI TICARET LTD.STI. |
| 3/27/2018 | 848130990000 | DISK TIP CHECK VALVE BRASS PN16 DN100, DISK TYPE CHECK VALVE BRASS PN16 DN050, DISC TYPE CHECK VALVE BRASS PN16 DN065, DISK TYPE CHECK VALVE BRASS PN16 DN080
| 55 | Units | 1712.5 | N/A | DUYAR VANA MAKINA SAN.VE TIC.A.S. |
| 1/26/2024 | 848130990000 | ÇV-10 P DISCO CHECK VALVE | 1 | UNIT | 0 | N/A | AYVAZ SINAİ ÜRÜNLER TRADE AND INDUSTRY JOINT STOCK COMPANY |
| 1/24/2024 | 848130990000 | CHECK VALVE DISCO | 1 | UNIT | 0 | N/A | LIYA TEKSTİL İNŞAATSAN.VE TİC.LTD.Ş |
| 1/10/2024 | 848130990000 | ÇV-10 P DISCO CHECK VALVE | 2 | UNIT | 0 | N/A | AYVAZ GLOBAL FOREIGN TRADE JOINT STOCK COMPANY |
| 1/29/2024 | 848130990000 | ÇV-10 P DISCO CHECK VALVE | 120 | UNIT | 0 | N/A | AYVAZ GLOBAL FOREIGN TRADE JOINT STOCK COMPANY |
| 1/19/2024 | 848130990000 | CHECK VALVE DISCO | 7 | UNIT | 0 | N/A | AYVAZ GLOBAL FOREIGN TRADE JOINT STOCK COMPANY |
| 1/9/2024 | 848130990000 | ÇV-10 P DISCO CHECK VALVE,CHECK VALVE DISCO | 24 | UNIT | 0 | N/A | AYVAZ GLOBAL FOREIGN TRADE JOINT STOCK COMPANY |