| 3/13/2018 | 730419100011 | STEEL PIPE - (THREAD DIAMETER THAT DOES NOT EXCEED 73 MM) WITH DOCUMENTATION FEE
| 83.09 | Meter | 1646.4 | N/A | POLAR DIS TIC.LTD.STI. |
| 3/18/2018 | 730490009000 | FINE AND THICK PIPES FROM IRON (CAST IRON EXTERNAL) AND STEEL AND INSIDE BOS PROFILES (SEAMLESS) :; OTHERS:; OTHERS (CKU0126 TUBING 1/2 '')
| 66 | Units | 11448.54 | N/A | TÜRKIYE PETROL RAFINERILERI ANONIM SIRKETI |
| 3/1/2024 | 730439839000 | SEAMLESS STEEL PIPES WITH OUTER DIAMETER EXCEEDING 168.3 MM BUT NOT EXCEEDING 406.4 MM (MACHINE EQUIPMENT L+REQUEST ORDER NO: 189) | 76 | METRE | 15319 | N/A | GREEN ENERGY CHEMİCALS ENERJİ KİMYASALLARI SANAYİ TİCARET LİMİTED ŞİRKETİ |
| 3/29/2024 | 730640809000 | WHAT IS THE QUALITY OF THE STAINLESS STEEL PIPE IN VARIOUS DIAMETERS AND DIMENSIONS (EXEMPTION ORDER NO: 34) | 36 | METRE | 555 | N/A | EGE YAT HİZMETLERİ TURİZM SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/19/2024 | 730661999000 | HOHLPROFIL (OTHER THIN AND THICK PIPES AND HOLLOW PROFILES OF IRON OR STEEL** WITH A WALL THICKNESS EXCEEDING 2 M+M.) [S235JRH] | 234 | METRE | 3462 | N/A | VAN LEEUWEN DİSTRİBUTİON BORU SANAYİ VE TİCARET LİMİTED ŞİRKETİ |
| 3/4/2024 | 730531009000 | STAINLESS STEEL WELDED PIPE (THOSE WITH OUTER DIAMETER EXCEEDING 406.4 MM) * WELDED STAINLESS STEEL TUBES (TOTAL+AM 5 PIECES / 30 METERS) | 30 | METRE | 7571 | N/A | BORŞEN BORU SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/1/2024 | 730459829000 | 168.3MM. SEAMLESS STEEL / PIPES NOT EXCEEDING | 73 | METRE | 22859 | N/A | GREEN ENERGY CHEMİCALS ENERJİ KİMYASALLARI SANAYİ TİCARET LİMİTED ŞİRKETİ |