| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1102.12 | USD | 20251209 |
| Shandong Yeyang Chem | China national standards | MT | 1102.26 | USD | 20251208 |
| Shandong Yeyang Chem | China national standards | MT | 1116.39 | USD | 20251208 |
| Shandong Yeyang Chem | China national standards | MT | 1257.7 | USD | 20251208 |
| Shandong Yeyang Chem | China national standards | MT | 1116.62 | USD | 20251205 |
| Shandong Yeyang Chem | China national standards | MT | 1102.49 | USD | 20251205 |
| Shandong Yeyang Chem | China national standards | MT | 1257.97 | USD | 20251205 |
| Shandong Yeyang Chem | China national standards | MT | 1102.74 | USD | 20251204 |
| Shandong Yeyang Chem | China national standards | MT | 1258.25 | USD | 20251204 |
| Shandong Yeyang Chem | China national standards | MT | 1116.88 | USD | 20251204 |