| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 804.99 | USD | 20260107 |
| Lihuayi Weiyuan Chem | China national standards | MT | 804.99 | USD | 20260107 |
| Lihuayi Weiyuan Chem | China national standards | MT | 804.99 | USD | 20260107 |
| Lihuayi Weiyuan Chem | China national standards | MT | 797.38 | USD | 20260105 |
| Lihuayi Weiyuan Chem | China national standards | MT | 796.72 | USD | 20260104 |
| Lihuayi Weiyuan Chem | China national standards | MT | 796.23 | USD | 20251229 |