| Vendor | Spec | Unit | Price | Currency | Date |
| Chizhou Xinyu Chem | China national standards | MT | 252.95 | USD | 20250825 |
| Chizhou Xinyu Chem | China national standards | MT | 252.38 | USD | 20250822 |
| Chizhou Xinyu Chem | China national standards | MT | 252.5 | USD | 20250821 |
| Chizhou Xinyu Chem | China national standards | MT | 252.16 | USD | 20250820 |
| Chizhou Xinyu Chem | China national standards | MT | 252.25 | USD | 20250819 |
| Chizhou Xinyu Chem | China national standards | MT | 252.38 | USD | 20250818 |
| Chizhou Xinyu Chem | China national standards | MT | 252.2 | USD | 20250817 |
| Chizhou Xinyu Chem | China national standards | MT | 252.2 | USD | 20250815 |
| Chizhou Xinyu Chem | China national standards | MT | 252.32 | USD | 20250814 |
| Chizhou Xinyu Chem | China national standards | MT | 266.29 | USD | 20250813 |