| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaoming Chem | China national standards | MT | 324.47 | USD | 20251104 |
| Shandong Yaoming Chem | China national standards | MT | 324.47 | USD | 20251104 |
| Shandong Yaoming Chem | China national standards | MT | 369.64 | USD | 20251101 |
| Shandong Yaoming Chem | China national standards | MT | 380.93 | USD | 20251101 |
| Shandong Yaoming Chem | China national standards | MT | 380.93 | USD | 20251031 |
| Shandong Yaoming Chem | China national standards | MT | 369.72 | USD | 20251030 |
| Shandong Yaoming Chem | China national standards | MT | 369.72 | USD | 20251030 |
| Shandong Yaoming Chem | China national standards | MT | 369.83 | USD | 20251029 |
| Shandong Yaoming Chem | China national standards | MT | 369.83 | USD | 20251029 |
| Shandong Yaoming Chem | China national standards | MT | 369.76 | USD | 20251028 |