| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong River Chem | China national standards | MT | 776.22 | USD | 20251118 |
| Shandong River Chem | China national standards | MT | 776.66 | USD | 20251117 |
| Shandong River Chem | China national standards | MT | 776.56 | USD | 20251114 |
| Shandong River Chem | China national standards | MT | 783.17 | USD | 20251111 |
| Shandong River Chem | China national standards | MT | 804.45 | USD | 20251110 |
| Shandong River Chem | China national standards | MT | 804.35 | USD | 20251106 |
| Shandong River Chem | China national standards | MT | 803.94 | USD | 20251105 |
| Shandong River Chem | China national standards | MT | 804.32 | USD | 20251103 |
| Shandong River Chem | China national standards | MT | 797.39 | USD | 20251028 |
| Shandong River Chem | China national standards | MT | 796.58 | USD | 20251024 |