| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1198.57 | USD | 20251023 |
| Shandong Jinwen Chem | China national standards | MT | 1198.36 | USD | 20251021 |
| Shandong Jinwen Chem | China national standards | MT | 1197.64 | USD | 20251020 |
| Shandong Jinwen Chem | China national standards | MT | 1198.04 | USD | 20251017 |
| Shandong Jinwen Chem | China national standards | MT | 1197.72 | USD | 20251016 |
| Shandong Jinwen Chem | China national standards | MT | 1197.27 | USD | 20251015 |
| Shandong Jinwen Chem | China national standards | MT | 1196.83 | USD | 20251014 |
| Shandong Jinwen Chem | China national standards | MT | 1197.07 | USD | 20251013 |
| Shandong Jinwen Chem | China national standards | MT | 1196.37 | USD | 20251011 |
| Shandong Jinwen Chem | China national standards | MT | 1196.37 | USD | 20251010 |