| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 806.38 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 778.09 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 778.09 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 777.35 | USD | 20251210 |
| Shandong Yeyang Chem | China national standards | MT | 777.35 | USD | 20251210 |
| Shandong Yeyang Chem | China national standards | MT | 805.62 | USD | 20251210 |
| Shandong Yeyang Chem | China national standards | MT | 777.13 | USD | 20251209 |
| Shandong Yeyang Chem | China national standards | MT | 777.23 | USD | 20251208 |
| Shandong Yeyang Chem | China national standards | MT | 777.4 | USD | 20251205 |
| Shandong Yeyang Chem | China national standards | MT | 777.4 | USD | 20251205 |