| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1151.19 | USD | 20251126 |
| Shandong Yeyang Chem | China national standards | MT | 1150.71 | USD | 20251125 |
| Shandong Yeyang Chem | China national standards | MT | 1150.37 | USD | 20251124 |
| Shandong Yeyang Chem | China national standards | MT | 1149.91 | USD | 20251121 |
| Shandong Yeyang Chem | China national standards | MT | 1149.43 | USD | 20251120 |
| Shandong Yeyang Chem | China national standards | MT | 1149.96 | USD | 20251119 |
| Shandong Yeyang Chem | China national standards | MT | 1142.91 | USD | 20251119 |
| Shandong Yeyang Chem | China national standards | MT | 1150.22 | USD | 20251118 |
| Shandong Yeyang Chem | China national standards | MT | 1150.87 | USD | 20251117 |
| Shandong Yeyang Chem | China national standards | MT | 1143.81 | USD | 20251117 |