| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1143.66 | USD | 20251115 |
| Shandong Yeyang Chem | China national standards | MT | 1150.72 | USD | 20251115 |
| Shandong Yeyang Chem | China national standards | MT | 1150.72 | USD | 20251114 |
| Shandong Yeyang Chem | China national standards | MT | 1150.07 | USD | 20251113 |
| Shandong Yeyang Chem | China national standards | MT | 1143.53 | USD | 20251112 |
| Shandong Yeyang Chem | China national standards | MT | 1150.59 | USD | 20251112 |
| Shandong Yeyang Chem | China national standards | MT | 1143.0 | USD | 20251111 |
| Shandong Yeyang Chem | China national standards | MT | 1150.06 | USD | 20251111 |
| Shandong Yeyang Chem | China national standards | MT | 1150.22 | USD | 20251110 |
| Shandong Yeyang Chem | China national standards | MT | 1143.16 | USD | 20251110 |