| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaoming Chem | China national standards | MT | 369.76 | USD | 20251028 |
| Shandong Yaoming Chem | China national standards | MT | 369.63 | USD | 20251027 |
| Shandong Yaoming Chem | China national standards | MT | 369.63 | USD | 20251027 |
| Shandong Yaoming Chem | China national standards | MT | 369.39 | USD | 20251025 |
| Shandong Yaoming Chem | China national standards | MT | 369.39 | USD | 20251025 |
| Shandong Yaoming Chem | China national standards | MT | 369.39 | USD | 20251024 |
| Shandong Yaoming Chem | China national standards | MT | 369.39 | USD | 20251024 |
| Shandong Yaoming Chem | China national standards | MT | 369.44 | USD | 20251023 |
| Shandong Yaoming Chem | China national standards | MT | 369.44 | USD | 20251023 |
| Shandong Yaoming Chem | China national standards | MT | 369.25 | USD | 20251022 |