| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260513 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260506 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260427 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260423 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260422 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260420 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260417 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260416 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260415 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260408 |