| 3/27/2018 | 690912000000 | "CERAMIC DEVICES AND ARTICLES USED IN LABORATORIES, CHEMICAL OR OTHER TECHNICAL WORKS: ITEMS WITH HARDNESS OF 9 OR MORE ACCORDING TO THE MOHS SCALE;"
| 220 | Units | 13126.93 | N/A | ASELSAN ELEKTRONIK SANAYI VE TIC.A.S. |
| 3/6/2018 | 690912000000 | "CERAMIC DEVICES AND ARTICLES USED IN LABORATORIES, CHEMICAL OR OTHER TECHNICAL WORKS: ITEMS WITH HARDNESS OF 9 OR MORE ACCORDING TO THE MOHS SCALE;"
| 185 | Units | 11050.44 | N/A | ASELSAN ELEKTRONIK SANAYI VE TIC.A.S. |
| 3/27/2018 | 690912000000 | "CERAMIC DEVICES AND ARTICLES USED IN LABORATORIES, CHEMICAL OR OTHER TECHNICAL WORKS: ITEMS WITH HARDNESS OF 9 OR MORE ACCORDING TO THE MOHS SCALE;"
| 500 | Units | 17569.33 | N/A | ASELSAN ELEKTRONIK SANAYI VE TIC.A.S. |
| 3/15/2018 | 690911000012 | ARC WELDING GAS NOZZLE OF CERAMIC ITEMS USED IN INDUSTRY
| 11150 | Units | 2094.73 | N/A | BERESIT MAKINA VE SANAYI ÜRÜNLERI TEMSIL.VE TIC.A.S. |
| 3/22/2018 | 690912000000 | "CERAMIC DEVICES AND ARTICLES USED IN LABORATORIES, CHEMICAL OR OTHER TECHNICAL WORKS: ITEMS WITH HARDNESS OF 9 OR MORE ACCORDING TO THE MOHS SCALE; ALUMINA BALL"
| 24000 | Kilogram | 36166.02 | N/A | SERANIT GRANIT SERAMIK SAN.VE TIC.A.S. |
| 3/18/2024 | 690290000019 | FIRE RESISTANT GREENHOUSE/MIC ITEM USED IN CONSTRUCTION. | 50 | UNIT | 82 | N/A | REYNAERS ALÜMİNYUM ÜRETİM SANAYİ VE TİCARET LİMİTED ŞİRKETİ |
| 3/18/2024 | 690290000019 | FIRE RESISTANT GREENHOUSE/MIC ITEM USED IN CONSTRUCTION. | 25 | UNIT | 45 | N/A | REYNAERS ALÜMİNYUM ÜRETİM SANAYİ VE TİCARET LİMİTED ŞİRKETİ |
| 3/14/2024 | 690919000012 | CERAMIC ITEMS USED IN TECHNICAL WORKS/ | 24 | UNIT | 12388 | N/A | ER-BAKIR ELEKTROLİTİK BAKIR MAMULLERİ ANONİM ŞİRKETİ |
| 3/8/2024 | 690390100000 | CERAMIC ITEM USED IN INDUSTRY (MULL/ITE CORDIERITE PLATE) | 300 | UNIT | 12541 | N/A | MEGA REFRAKTER MAKİNE KİMYA SANAYİ VE DIŞ TİCARET LİMİTED ŞİRKETİ |
| 3/8/2024 | 690320900000 | CERAMIC ITEM USED IN INDUSTRY (CERA/MIC ROLLER) | 3365 | UNIT | 28369 | N/A | MEGA REFRAKTER MAKİNE KİMYA SANAYİ VE DIŞ TİCARET LİMİTED ŞİRKETİ |