| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Haike Chem | China national standards | MT | 827.67 | USD | 20260108 |
| Shandong Haike Chem | China national standards | MT | 823.68 | USD | 20260106 |
| Shandong Haike Chem | China national standards | MT | 823.68 | USD | 20260106 |
| Shandong Haike Chem | China national standards | MT | 815.89 | USD | 20260105 |
| Shandong Haike Chem | China national standards | MT | 815.89 | USD | 20260105 |