| 3/18/2018 | 261510000000 | ZIRCONIUM (ZIRCONIUM SAND CALCINED) USED AS A REFRACTOR IN THE PRECISION CASTING INDUSTRY
| 32000 | Kilogram | 59409.7 | N/A | ESAN ECZACIBASI ENDÜSTRIYEL HAMMADDE.SAN.VE TIC.A.S. |
| 3/15/2024 | 690220999012 | REFRACTOR FOR USE IN SODA ASH AND SODIUM BICARBONATE PRODUCTION PLANT | 6400 | UNIT | 74360 | N/A | KAZAN SODA ELEKTRİK ÜRETİM ANONİM ŞİRKETİ |
| 3/13/2024 | 690210009019 | REFRACTORY BRICKS | 1107 | UNIT | 41220 | N/A | KARDEMİR KARABÜK DEMİR ÇELİK SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/21/2024 | 281820000000 | ALUMINUM OXIDE (ALUMINA SC-0) USED AS RAW MATERIAL IN CERAMICS AND REFRACTORIES INDUSTRY | 96000 | KILOGRAM | 58582 | N/A | ESAN ECZACIBAŞI ENDÜSTRİYEL HAMMADDELER SANAYİ VE TİCARET ANONİM ŞİRKETİ |