| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaoming Chem | China national standards | MT | 369.25 | USD | 20251022 |
| Shandong Yaoming Chem | China national standards | MT | 369.38 | USD | 20251021 |
| Shandong Yaoming Chem | China national standards | MT | 369.15 | USD | 20251020 |
| Shandong Yaoming Chem | China national standards | MT | 369.15 | USD | 20251020 |
| Shandong Yaoming Chem | China national standards | MT | 369.28 | USD | 20251017 |
| Shandong Yaoming Chem | China national standards | MT | 369.18 | USD | 20251016 |
| Shandong Yaoming Chem | China national standards | MT | 369.18 | USD | 20251016 |
| Shandong Yaoming Chem | China national standards | MT | 369.04 | USD | 20251015 |
| Shandong Yaoming Chem | China national standards | MT | 369.04 | USD | 20251015 |
| Shandong Yaoming Chem | China national standards | MT | 368.9 | USD | 20251014 |