| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu LeeMan Chem | China national standards | MT | 550.2 | USD | 20260605 |
| Jiangsu LeeMan Chem | China national standards | MT | 549.83 | USD | 20260604 |
| Jiangsu LeeMan Chem | China national standards | MT | 549.98 | USD | 20260603 |
| Jiangsu LeeMan Chem | China national standards | MT | 549.96 | USD | 20260602 |
| Jiangsu LeeMan Chem | China national standards | MT | 550.12 | USD | 20260601 |
| Jiangsu LeeMan Chem | China national standards | MT | 550.05 | USD | 20260529 |
| Jiangsu LeeMan Chem | China national standards | MT | USD | 20260528 | |
| Jiangsu LeeMan Chem | China national standards | MT | USD | 20260527 | |
| Jiangsu LeeMan Chem | China national standards | MT | USD | 20260526 | |
| Jiangsu LeeMan Chem | China national standards | MT | USD | 20260525 |