| 3/2/2018 | 280469000000 | SILICON METALLIC
| 1000 | Kilogram | 2377.57 | N/A | SISMAR TEDARIK VE DAGITIM PAZARLAMA TICARET LIMITED SIRKETI |
| 3/21/2018 | 280469000000 | SILICON METAL
| 2000 | Kilogram | 3532.8 | N/A | CT METAL SANAYI IÇ VE DIS TIC LTD STI |
| 3/29/2018 | 280469000000 | SILICON METAL
| 2000 | Kilogram | 4194.32 | N/A | DENIZ METAL DÖKÜM SAN.TIC.LTD.STI. |
| 3/13/2018 | 284920000000 | SILICON CARBIDE
| 4000 | Kilogram | 4201.37 | N/A | FEDERAL MOGUL DIS TICARET ANONIM SIRKETI |
| 3/13/2018 | 284920000000 | SILICON CARBIDE
| 23750 | Kilogram | 38501.85 | N/A | SAMSAB ABRESIV SANAYI IÇ VE DIS TICARETLTD.STI. |
| 3/7/2018 | 281122000000 | SILICONE DIOXIDE
| 600 | Kilogram | 1442.8 | N/A | EYKIM GIDA VE KIMYASANAYI DIS TICARET LTD.STI. |
| 3/21/2018 | 281122000000 | ULTRASIL VN2 (SILICON DIOXIDE)
| 11700 | Kilogram | 11382.87 | N/A | EGESIL KIMYA SANAYIVE TICARET A.S. |
| 3/11/2018 | 281122000000 | SILICONE DIOXIDE
| 345 | Kilogram | 1201.81 | N/A | ZING GIDA MADDELERI SANAYI TICARET LIMITED SIRKETI |
| 3/13/2018 | 281122000000 | SILICON DIOXIDE MADHU
| 384 | Kilogram | 1039.23 | N/A | ÇAGDAS KIMYA VE GIDASANAYI TIC.LTD.STI. |
| 3/28/2018 | 281122000000 | ULTRASIL VN2 (SILICON DIOXIDE)
| 7800 | Kilogram | 7494.14 | N/A | EGESIL KIMYA SANAYIVE TICARET A.S. |