| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 646.96 | USD | 20251009 |
| Lihuayi Weiyuan Chem | China national standards | MT | 647.39 | USD | 20250930 |
| Lihuayi Weiyuan Chem | China national standards | MT | 647.39 | USD | 20250930 |
| Lihuayi Weiyuan Chem | China national standards | MT | 647.08 | USD | 20250929 |
| Lihuayi Weiyuan Chem | China national standards | MT | 646.5 | USD | 20250928 |
| Lihuayi Weiyuan Chem | China national standards | MT | 646.5 | USD | 20250928 |
| Lihuayi Weiyuan Chem | China national standards | MT | 646.5 | USD | 20250927 |
| Lihuayi Weiyuan Chem | China national standards | MT | 646.72 | USD | 20250919 |