| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Malu Chem | Industrial Grade | MT | 317.98 | USD | 20251201 |
| Shanghai Malu Chem | China national standards | MT | 325.05 | USD | 20251201 |
| Shanghai Malu Chem | Industrial Grade | MT | 317.81 | USD | 20251126 |
| Shanghai Malu Chem | China national standards | MT | 324.88 | USD | 20251126 |
| Shanghai Malu Chem | Industrial Grade | MT | 317.59 | USD | 20251124 |
| Shanghai Malu Chem | China national standards | MT | 331.7 | USD | 20251124 |
| Shanghai Malu Chem | Industrial Grade | MT | 303.43 | USD | 20251118 |
| Shanghai Malu Chem | China national standards | MT | 310.49 | USD | 20251118 |
| Shanghai Malu Chem | China national standards | MT | 296.47 | USD | 20251112 |
| Shanghai Malu Chem | Industrial Grade | MT | 296.47 | USD | 20251112 |