| 3/8/2018 | 730451899000 | SEAMLESS STEEL PIPE (FROM OTHER ALLOY STEEL)
| 450 | Meter | 34931.52 | N/A | ATLAS ENERJI ÜRETIMA.S. |
| 3/29/2018 | 730459939000 | A 335 P9 SMLS LOW ALLOY STEEL FURNACA PIPES
| 26 | Units | 73903.4 | N/A | TÜRKIYE PETROL RAFINERILERI ANONIM SIRKETI |
| 3/29/2024 | 730451899000 | ALLOY, COLD ROLLED, 36MM OUTER DIAMETER, D/TWO-TWO PIPE | 250 | UNIT | 11586 | N/A | İZDEMİR ENERJİ ELEKTRİK ÜRETİM ANONİM ŞİRKETİ |
| 3/7/2024 | 760810009012 | THIN AND THICK PIPES MADE OF ALUMINUM:; THOSE MADE OF NON-ALLOY ALUMINUM:; OTHERS:; SEAMLESS THIN AND THICK + TUBES; | 1000 | UNIT | 257 | N/A | İST OTOMATİK YAĞLAMA SİSTEMLERİ MAKİNE SANAYİ VE TİCARET LİMİTED ŞİRKETİ |
| 3/27/2024 | 730459829000 | ALLOY STEEL PIPE WITH CIRCULAR SECTION | 500 | UNIT | 3235 | N/A | CİVELEK PORSELEN ENDÜSTRİYEL SERAMİK SANAYİ VE TİCARET LİMİTED ŞİRKETİ |
| 3/15/2024 | 730650219000 | ALLOY STEEL PIPE- | 92 | KILOGRAM | 2376 | N/A | PHI METAL OTOMOTİV SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/20/2024 | 730451899000 | COLD DRAWN COLD ROLLED SEAMLESS ALLOY STEEL PIPE (OUTER DIAMETER 176.5 - 246.6 MM)+ | 19431 | KILOGRAM | 25262 | N/A | KARATAŞLAR PETROL ÜRÜNLERİ TORNACILIK VE HİZMET İŞLETMESİ SANAYİ VE TİCARET LİMİTED ŞİRKETİ |
| 3/29/2024 | 730451899000 | ALLOY SEAMLESS STEEL PIPES (STEEL PIPE)/ | 26380 | KILOGRAM | 60802 | N/A | SBS SONDAJ MAKİNA EKİPMANLARI İNŞAAT SANAYİ VE TİCARET LİMİTED ŞİRKETİ |
| 3/20/2024 | 730451899000 | COLD DRAWN COLD ROLLED SEAMLESS ALLOY STEEL PIPE (OUTER DIAMETER 64.5 - 81.4 - 99.5 - 117.5 -+ 136.5 - 156MM) | 31167 | KILOGRAM | 40520 | N/A | KARATAŞLAR PETROL ÜRÜNLERİ TORNACILIK VE HİZMET İŞLETMESİ SANAYİ VE TİCARET LİMİTED ŞİRKETİ |
| 3/26/2024 | 760820209000 | ALUMINUM ALLOY -PIPE | 90 | KILOGRAM | 1538 | N/A | KALE OTO RADYATÖR SANAYİ VE TİCARET ANONİM ŞİRKETİ |