| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1143.49 | USD | 20251107 |
| Shandong Yeyang Chem | China national standards | MT | 1150.54 | USD | 20251107 |
| Shandong Yeyang Chem | China national standards | MT | 1150.07 | USD | 20251106 |
| Shandong Yeyang Chem | China national standards | MT | 1149.49 | USD | 20251105 |
| Shandong Yeyang Chem | China national standards | MT | 1142.44 | USD | 20251105 |
| Shandong Yeyang Chem | China national standards | MT | 1149.75 | USD | 20251104 |
| Shandong Yeyang Chem | China national standards | MT | 1142.99 | USD | 20251103 |
| Shandong Yeyang Chem | China national standards | MT | 1150.04 | USD | 20251103 |
| Shandong Yeyang Chem | China national standards | MT | 1142.78 | USD | 20251101 |
| Shandong Yeyang Chem | China national standards | MT | 1149.83 | USD | 20251101 |