| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Ronghe Chem | China national standards | MT | 1808.96 | USD | 20251201 |
| Shanghai Ronghe Chem | China national standards | MT | 1808.19 | USD | 20251129 |
| Shanghai Ronghe Chem | China national standards | MT | 1808.45 | USD | 20251127 |
| Shanghai Ronghe Chem | China national standards | MT | 1808.01 | USD | 20251126 |
| Shanghai Ronghe Chem | China national standards | MT | 1807.25 | USD | 20251125 |
| Shanghai Ronghe Chem | China national standards | MT | 1806.71 | USD | 20251124 |
| Shanghai Ronghe Chem | China national standards | MT | 1806.0 | USD | 20251122 |
| Shanghai Ronghe Chem | China national standards | MT | 1806.0 | USD | 20251121 |
| Shanghai Ronghe Chem | China national standards | MT | 1806.07 | USD | 20251119 |
| Shanghai Ronghe Chem | China national standards | MT | 1806.48 | USD | 20251118 |