| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem | China national standards | MT | 222.06 | USD | 20250926 |
| Shanghai SKY Chem | China national standards | MT | 222.36 | USD | 20250925 |
| Shanghai SKY Chem | China national standards | MT | 222.36 | USD | 20250924 |
| Shanghai SKY Chem | China national standards | MT | 222.36 | USD | 20250923 |
| Shanghai SKY Chem | China national standards | MT | 222.2 | USD | 20250922 |
| Shanghai SKY Chem | China national standards | MT | 222.13 | USD | 20250919 |
| Shanghai SKY Chem | China national standards | MT | 222.27 | USD | 20250918 |