| 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. |
| 3/7/2018 | 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. |
| 3/20/2018 | 730619900000 | SB (609.6 6.3 MM) SPIRAL WELDED STEEL PIPES
| 176.23 | Meter | 15717.02 | N/A | EMEK BORU MAKINA SANAYI VE TICARET A.S. |
| 3/29/2018 | 730619900000 | SPIRAL WELDED WELDED WELDED STEEL PIPE INNER AND OUTER BARE
| 143 | Meter | 13516.3 | N/A | PETEK BORU SANAYI A.S. |
| 3/12/2018 | 730619900000 | SPIRAL WELDED STEEL PIPE (UNCOATED)
| 690520 | Kilogram | 653014.84 | N/A | NOKSEL ÇELIK BORU SAN.A.S. |
| 3/15/2018 | 730619900000 | SB (609.6 6.3 MM) SPIRAL WELDED STEEL PIPES
| 162.67 | Meter | 14126.3 | N/A | EMEK BORU MAKINA SANAYI VE TICARET A.S. |
| 3/21/2018 | 730619900000 | SB (609.6 6.3 MM) SPIRAL WELDED STEEL PIPES
| 162.73 | Meter | 14177.64 | N/A | EMEK BORU MAKINA SANAYI VE TICARET A.S. |