| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 776.55 | USD | 20251125 |
| Shandong Yeyang Chem | China national standards | MT | 762.43 | USD | 20251125 |
| Shandong Yeyang Chem | China national standards | MT | 762.21 | USD | 20251124 |
| Shandong Yeyang Chem | China national standards | MT | 776.32 | USD | 20251124 |
| Shandong Yeyang Chem | China national standards | MT | 790.44 | USD | 20251124 |
| Shandong Yeyang Chem | China national standards | MT | 761.9 | USD | 20251121 |
| Shandong Yeyang Chem | China national standards | MT | 790.12 | USD | 20251121 |
| Shandong Yeyang Chem | China national standards | MT | 776.01 | USD | 20251121 |
| Shandong Yeyang Chem | China national standards | MT | 761.58 | USD | 20251120 |
| Shandong Yeyang Chem | China national standards | MT | 789.79 | USD | 20251120 |