| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1142.16 | USD | 20251023 |
| Shandong Yeyang Chem | China national standards | MT | 1149.21 | USD | 20251023 |
| Shandong Yeyang Chem | China national standards | MT | 1148.63 | USD | 20251022 |
| Shandong Yeyang Chem | China national standards | MT | 1149.02 | USD | 20251021 |
| Shandong Yeyang Chem | China national standards | MT | 1148.32 | USD | 20251020 |
| Shandong Yeyang Chem | China national standards | MT | 1148.71 | USD | 20251017 |
| Shandong Yeyang Chem | China national standards | MT | 1148.4 | USD | 20251016 |
| Shandong Yeyang Chem | China national standards | MT | 1148.4 | USD | 20251016 |
| Shandong Yeyang Chem | China national standards | MT | 1147.97 | USD | 20251015 |
| Shandong Yeyang Chem | China national standards | MT | 1147.55 | USD | 20251014 |