| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hualu | China national standards | MT | 1216.96 | USD | 20260604 |
| Shandong Hualu | China national standards | MT | 1261.24 | USD | 20260602 |
| Zibo Dehe Chem | China national standards | MT | 1246.57 | USD | 20260602 |
| Shandong Hualu | China national standards | MT | 1305.62 | USD | 20260601 |
| Zibo Dehe Chem | China national standards | MT | 1290.78 | USD | 20260529 |
| Zibo Dehe Chem | China national standards | MT | USD | 20260525 | |
| Shandong Hualu | China national standards | MT | USD | 20260518 | |
| Zibo Dehe Chem | China national standards | MT | USD | 20260518 | |
| Shandong Hualu | China national standards | MT | USD | 20260514 | |
| Zibo Dehe Chem | China national standards | MT | USD | 20260428 |