| 3/28/2018 | 732690980019 | GUV.206515 -TRANSITION PIECE 250/220 (WELDED INTERMEDIATE PIPE)
| 4 | Units | 1356.74 | N/A | GÜVEN YEDEK PARÇA IMALAT SANAYI VE TICARET ANONIM SIRKETI |
| 3/22/2018 | 730539001000 | WELDED INSULATED STEEL PIPE WITH 3228 MM DIAMETER (430.37 MT)
| 497550 | Kilogram | 381803.43 | Izmit Customs | ERCIYAS ÇELIK BORU SANAYI A.S. |
| 3/22/2018 | 730539001000 | WELDED INSULATED STEEL PIPE WITH 3228 MM DIAMETER (635.91 MT)
| 728650 | Kilogram | 559426.8 | Izmit Customs | ERCIYAS ÇELIK BORU SANAYI A.S. |
| 3/1/2018 | 730619900000 | SPIRAL WELDED STEEL PIPE
| 28150 | Kilogram | 34282.29 | N/A | BCS ÇELIK BORU SANAYI ANONIM SIRKETI |
| 3/26/2018 | 730619900000 | Q273XU8MM SPIRAL WELDED STEEL PIPE ST44 (S275JR) - Q219XU7,1 MM SPIRAL WELDED STEEL PIPE ST44 (S275JR) (SPIRAL WELDED STEEL PIPE)
| 20600 | Kilogram | 17584.85 | N/A | TEKBOR ÇELIK BORU SANAYI VE TICARET LIMITED SIRKETI. |
| 3/1/2018 | 730619900000 | WELDED INSULATED STEEL PIPE WITH 1626 MM DIAMETER (180,55 MT)
| 92270 | Kilogram | 99067.11 | Izmit Customs | ERCIYAS ÇELIK BORU SANAYI A.S. |
| 3/19/2018 | 730669909000 | OTHER PIPES, PIPES WELDED FROM IRON / STEEL, NON-CROSS-CIRCLE; IN CUBES, T-CUBES (4,200 UNITS)
| 18531 | Kilogram | 14295.3 | N/A | ABALIOGLU BORU PROFIL VE TEKSTIL SANAYI VE TICARET ANONIM SIRKETI |
| 3/15/2018 | 730669909000 | OTHER PIPES, PIPES WELDED FROM IRON / STEEL, NON-CROSS-CIRCLE; CUBE
| 12198 | Kilogram | 9518.43 | N/A | ABALIOGLU BORU PROFIL VE TEKSTIL SANAYI VE TICARET ANONIM SIRKETI |
| 3/7/2018 | 730619900000 | 1016X16 MM SPIRAL WELDED STEEL PIPE INNER AND OUTER BARE, 813X11 MM SPIRAL WELDED STEEL PIPE INNER AND OUTER BARE
| 132 | Meter | 27026.8 | N/A | PETEK BORU SANAYI A.S. |
| 3/15/2018 | 730619900000 | SB (609.6 6.3 MM) SPIRAL WELDED STEEL PIPES
| 162.66 | Meter | 14125.24 | N/A | EMEK BORU MAKINA SANAYI VE TICARET A.S. |