| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 621.06 | USD | 20251124 |
| Lihuayi Weiyuan Chem | China national standards | MT | 620.81 | USD | 20251122 |
| Lihuayi Weiyuan Chem | China national standards | MT | 620.81 | USD | 20251121 |
| Lihuayi Weiyuan Chem | China national standards | MT | 620.81 | USD | 20251121 |
| Lihuayi Weiyuan Chem | China national standards | MT | 620.55 | USD | 20251120 |
| Lihuayi Weiyuan Chem | China national standards | MT | 620.84 | USD | 20251119 |
| Lihuayi Weiyuan Chem | China national standards | MT | 620.98 | USD | 20251118 |
| Lihuayi Weiyuan Chem | China national standards | MT | 620.98 | USD | 20251118 |
| Lihuayi Weiyuan Chem | China national standards | MT | 621.25 | USD | 20251114 |
| Lihuayi Weiyuan Chem | China national standards | MT | 621.25 | USD | 20251114 |