| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1145.82 | USD | 20250920 |
| Shandong Yeyang Chem | China national standards | MT | 1145.82 | USD | 20250919 |
| Shandong Yeyang Chem | China national standards | MT | 1138.79 | USD | 20250919 |
| Shandong Yeyang Chem | China national standards | MT | 1139.48 | USD | 20250918 |
| Shandong Yeyang Chem | China national standards | MT | 1146.51 | USD | 20250918 |
| Shandong Yeyang Chem | China national standards | MT | 1147.45 | USD | 20250916 |
| Shandong Yeyang Chem | China national standards | MT | 1140.41 | USD | 20250916 |
| Shandong Yeyang Chem | China national standards | MT | 1140.41 | USD | 20250916 |
| Shandong Yeyang Chem | China national standards | MT | 1147.45 | USD | 20250916 |
| Shandong Yeyang Chem | China national standards | MT | 1146.98 | USD | 20250915 |