| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 789.79 | USD | 20251120 |
| Shandong Yeyang Chem | China national standards | MT | 790.16 | USD | 20251119 |
| Shandong Yeyang Chem | China national standards | MT | 761.94 | USD | 20251119 |
| Shandong Yeyang Chem | China national standards | MT | 776.05 | USD | 20251119 |
| Shandong Yeyang Chem | China national standards | MT | 790.34 | USD | 20251118 |
| Shandong Yeyang Chem | China national standards | MT | 762.11 | USD | 20251118 |
| Shandong Yeyang Chem | China national standards | MT | 776.66 | USD | 20251117 |
| Shandong Yeyang Chem | China national standards | MT | 762.54 | USD | 20251117 |
| Shandong Yeyang Chem | China national standards | MT | 790.78 | USD | 20251117 |
| Shandong Yeyang Chem | China national standards | MT | 790.68 | USD | 20251115 |