| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 761.78 | USD | 20260105 |
| Lihuayi Weiyuan Chem | China national standards | MT | 754.04 | USD | 20260104 |
| Lihuayi Weiyuan Chem | China national standards | MT | 754.04 | USD | 20260104 |
| Lihuayi Weiyuan Chem | China national standards | MT | 761.15 | USD | 20251231 |
| Lihuayi Weiyuan Chem | China national standards | MT | 761.15 | USD | 20251231 |