| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 791.47 | USD | 20251203 |
| Shandong Yeyang Chem | China national standards | MT | 791.03 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 776.9 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 762.78 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 763.15 | USD | 20251201 |
| Shandong Yeyang Chem | China national standards | MT | 777.29 | USD | 20251201 |
| Shandong Yeyang Chem | China national standards | MT | 791.42 | USD | 20251201 |
| Shandong Yeyang Chem | China national standards | MT | 776.96 | USD | 20251129 |
| Shandong Yeyang Chem | China national standards | MT | 762.83 | USD | 20251129 |
| Shandong Yeyang Chem | China national standards | MT | 791.08 | USD | 20251129 |