| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 776.22 | USD | 20251028 |
| Shandong Yeyang Chem | China national standards | MT | 804.16 | USD | 20251027 |
| Shandong Yeyang Chem | China national standards | MT | 775.95 | USD | 20251027 |
| Shandong Yeyang Chem | China national standards | MT | 775.95 | USD | 20251027 |
| Shandong Yeyang Chem | China national standards | MT | 775.43 | USD | 20251024 |
| Shandong Yeyang Chem | China national standards | MT | 775.43 | USD | 20251024 |
| Shandong Yeyang Chem | China national standards | MT | 803.75 | USD | 20251023 |
| Shandong Yeyang Chem | China national standards | MT | 775.54 | USD | 20251023 |
| Shandong Yeyang Chem | China national standards | MT | 775.54 | USD | 20251023 |
| Shandong Yeyang Chem | China national standards | MT | 775.15 | USD | 20251022 |