| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1147.77 | USD | 20251013 |
| Shandong Yeyang Chem | China national standards | MT | 1147.11 | USD | 20251011 |
| Shandong Yeyang Chem | China national standards | MT | 1147.11 | USD | 20251010 |
| Shandong Yeyang Chem | China national standards | MT | 1140.07 | USD | 20251010 |
| Shandong Yeyang Chem | China national standards | MT | 1146.24 | USD | 20251009 |
| Shandong Yeyang Chem | China national standards | MT | 1139.21 | USD | 20251009 |
| Shandong Yeyang Chem | China national standards | MT | 1147.0 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 1139.96 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 1147.0 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 1146.45 | USD | 20250929 |