| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem | China national standards | MT | 211.88 | USD | 20251126 |
| Shanghai SKY Chem | China national standards | MT | 211.79 | USD | 20251125 |
| Shanghai SKY Chem | China national standards | MT | 211.79 | USD | 20251125 |
| Shanghai SKY Chem | China national standards | MT | 261.2 | USD | 20251125 |
| Shanghai SKY Chem | China national standards | MT | 211.79 | USD | 20251125 |
| Shanghai SKY Chem | China national standards | MT | 261.13 | USD | 20251124 |
| Shanghai SKY Chem | China national standards | MT | 211.72 | USD | 20251124 |
| Shanghai SKY Chem | China national standards | MT | 211.72 | USD | 20251124 |
| Shanghai SKY Chem | China national standards | MT | 211.72 | USD | 20251124 |
| Shanghai SKY Chem | China national standards | MT | 211.64 | USD | 20251121 |