| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem | China national standards | MT | 211.99 | USD | 20251201 |
| Shanghai SKY Chem | China national standards | MT | 211.99 | USD | 20251201 |
| Shanghai SKY Chem | China national standards | MT | 211.9 | USD | 20251128 |
| Shanghai SKY Chem | China national standards | MT | 211.9 | USD | 20251128 |
| Shanghai SKY Chem | China national standards | MT | 211.9 | USD | 20251128 |
| Shanghai SKY Chem | China national standards | MT | 261.38 | USD | 20251127 |
| Shanghai SKY Chem | China national standards | MT | 211.93 | USD | 20251127 |
| Shanghai SKY Chem | China national standards | MT | 261.31 | USD | 20251126 |
| Shanghai SKY Chem | China national standards | MT | 211.88 | USD | 20251126 |
| Shanghai SKY Chem | China national standards | MT | 211.88 | USD | 20251126 |