| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Ronghe Chem | China national standards | MT | 763.15 | USD | 20251201 |
| Shanghai Ronghe Chem | China national standards | MT | 762.83 | USD | 20251129 |
| Shanghai Ronghe Chem | China national standards | MT | 762.94 | USD | 20251127 |
| Shanghai Ronghe Chem | China national standards | MT | 762.75 | USD | 20251126 |
| Shanghai Ronghe Chem | China national standards | MT | 790.67 | USD | 20251125 |
| Shanghai Ronghe Chem | China national standards | MT | 790.44 | USD | 20251124 |
| Shanghai Ronghe Chem | China national standards | MT | 790.12 | USD | 20251122 |
| Shanghai Ronghe Chem | China national standards | MT | 790.12 | USD | 20251121 |
| Shanghai Ronghe Chem | China national standards | MT | 790.16 | USD | 20251119 |
| Shanghai Ronghe Chem | China national standards | MT | 790.34 | USD | 20251118 |