| 3/11/2018 | 730459929000 | "HIGH AND LOW PRESSURE BOILER PIPES, VALVES AND SUPPORTS (PARTS) (ONE WITH TEF) (Y.DISI MAK.TEÇ.LIS.NO: 23) (4.247,36 METER = 18.614 KG)"
| 18614 | Kilogram | 51339.01 | N/A | ÇAN KÖMÜR VE INSAAT ANONIM SIRKETI |
| 3/6/2018 | 730459929000 | "HIGH AND LOW PRESSURE BOILER PIPES, VALVES AND SUPPORTS (PARTS) (ONE WITH TEF) (Y.DISI MAK.TEÇ.LIS.NO: 23) (5.320,42 METER = 23.357 KG)"
| 23357 | Kilogram | 65386.73 | N/A | ÇAN KÖMÜR VE INSAAT ANONIM SIRKETI |
| 3/4/2018 | 730799800019 | YTB ??NO: 28-A OTHER PIPES / CONNECTION EQUIPMENT / VALVES AND ACCESSORIES (WITH NECESSARY PARTS AND PARTS) (IN MISCELLANEOUS SIZES) (PIPE CONNECTION PART)
| 18 | Units | 32323.83 | N/A | STAR RAFINERI A.S. |
| 3/21/2018 | 848180790000 | YTB ??NO: 28-A OTHER PIPES / CONNECTION EQUIPMENT / VALVES AND ACCESSORIES (WITH REQUIRED PARTS AND PARTS) (IN MISCELLANEOUS SIZES) (GLOBE VALVE)
| 1 | Units | 17034.77 | N/A | STAR RAFINERI A.S. |
| 3/25/2024 | 848190000019 | COMPONENTS AND PARTS OF THE VALVES | 1 | UNIT | 99 | N/A | DURKO ÇEVRE ENERJİ TEKNİĞİ VE TİCARET ANONİM ŞİRKETİ |
| 3/4/2024 | 848190000019 | COMPONENTS AND PARTS OF THE VALVES | 16 | UNIT | 422 | N/A | DURKO ÇEVRE ENERJİ TEKNİĞİ VE TİCARET ANONİM ŞİRKETİ |
| 3/14/2024 | 848190000019 | TAPS, VALVES AND SIMILAR DEVICES FOR PIPES, BOILER, TANKS, WAREHOUSES AND OTHER SIMILAR CONTAINERS (INCLUDING PRESSURE REDUCING VALVES AND THERMOSTATIC CONTROLLED VALVES):; COMPONENTS AND PARTS:; OTHERS; | 3 | UNIT | 67 | N/A | VALFSAN ENDÜSTRİYEL TESİSAT MALZEMELERİ TAAHHÜT İTHALAT İHRACAT VE MÜHENDİSLİK HİZ.SAN.TİC.LTD.ŞTİ. |
| 3/12/2024 | 848190000019 | COMPONENTS AND PARTS OF THE VALVES | 1 | UNIT | 538 | N/A | DURKO ÇEVRE ENERJİ TEKNİĞİ VE TİCARET ANONİM ŞİRKETİ |
| 3/14/2024 | 848190000019 | COMPONENTS AND PARTS OF THE VALVES | 4 | UNIT | 63 | N/A | DURKO ÇEVRE ENERJİ TEKNİĞİ VE TİCARET ANONİM ŞİRKETİ |