| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 773.54 | USD | 20251009 |
| Shandong Yeyang Chem | China national standards | MT | 759.47 | USD | 20251009 |
| Shandong Yeyang Chem | China national standards | MT | 759.97 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 774.05 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 788.12 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 759.97 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 774.05 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 788.12 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 787.74 | USD | 20250929 |
| Shandong Yeyang Chem | China national standards | MT | 773.68 | USD | 20250929 |