| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem | China national standards | MT | 1103.27 | USD | 20250926 |
| Shanghai SKY Chem | China national standards | MT | 1104.75 | USD | 20250925 |
| Shanghai SKY Chem | China national standards | MT | 1104.75 | USD | 20250924 |
| Shanghai SKY Chem | China national standards | MT | 1104.75 | USD | 20250923 |
| Shanghai SKY Chem | China national standards | MT | 1103.99 | USD | 20250922 |
| Shanghai SKY Chem | China national standards | MT | 1103.64 | USD | 20250919 |
| Shanghai SKY Chem | China national standards | MT | 1104.31 | USD | 20250918 |