| Vendor | Spec | Unit | Price | Currency | Date |
| Ningxia Xingping Chem | China national standards | MT | 360.0 | USD | 20251112 |
| Ningxia Xingping Chem | China national standards | MT | 359.83 | USD | 20251111 |
| Ningxia Xingping Chem | China national standards | MT | 359.88 | USD | 20251110 |
| Ningxia Xingping Chem | China national standards | MT | 359.66 | USD | 20251105 |
| Ningxia Xingping Chem | China national standards | MT | 359.74 | USD | 20251104 |
| Ningxia Xingping Chem | China national standards | MT | 359.83 | USD | 20251103 |
| Ningxia Xingping Chem | China national standards | MT | 359.84 | USD | 20251030 |
| Ningxia Xingping Chem | China national standards | MT | 359.95 | USD | 20251029 |
| Ningxia Xingping Chem | China national standards | MT | 359.88 | USD | 20251028 |
| Ningxia Xingping Chem | China national standards | MT | 359.52 | USD | 20251024 |