| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hualu | China national standards | MT | 1159.55 | USD | 20260610 |
| Shandong Hualu | China national standards | MT | 1188.61 | USD | 20260609 |
| Zibo Dehe Chem | China national standards | MT | 1188.61 | USD | 20260609 |
| Zibo Dehe Chem | China national standards | MT | 1217.04 | USD | 20260608 |
| Shandong Hualu | China national standards | MT | 1216.96 | USD | 20260604 |
| Shandong Hualu | China national standards | MT | USD | 20260602 | |
| Zibo Dehe Chem | China national standards | MT | USD | 20260602 | |
| Shandong Hualu | China national standards | MT | USD | 20260601 | |
| Zibo Dehe Chem | China national standards | MT | USD | 20260529 | |
| Zibo Dehe Chem | China national standards | MT | USD | 20260525 |