| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 1063.68 | USD | 20260205 |
| Lihuayi Weiyuan Chem | China national standards | MT | 991.4 | USD | 20260113 |
| Lihuayi Weiyuan Chem | China national standards | MT | 991.4 | USD | 20260113 |
| Lihuayi Weiyuan Chem | China national standards | MT | 990.07 | USD | 20260109 |