| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 776.13 | USD | 20251030 |
| Shandong Yeyang Chem | China national standards | MT | 762.25 | USD | 20251029 |
| Shandong Yeyang Chem | China national standards | MT | 776.36 | USD | 20251029 |
| Shandong Yeyang Chem | China national standards | MT | 790.48 | USD | 20251029 |
| Shandong Yeyang Chem | China national standards | MT | 790.34 | USD | 20251028 |
| Shandong Yeyang Chem | China national standards | MT | 762.11 | USD | 20251028 |
| Shandong Yeyang Chem | China national standards | MT | 776.22 | USD | 20251028 |
| Shandong Yeyang Chem | China national standards | MT | 790.06 | USD | 20251027 |
| Shandong Yeyang Chem | China national standards | MT | 761.84 | USD | 20251027 |
| Shandong Yeyang Chem | China national standards | MT | 775.95 | USD | 20251027 |