| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chem | Industrial Grade | MT | 225.33 | USD | 20251013 |
| Guangzhou Tianyue Chem | China national standards | MT | 225.2 | USD | 20251012 |
| Guangzhou Tianyue Chem | China national standards | MT | 239.27 | USD | 20251012 |
| Guangzhou Tianyue Chem | China national standards | MT | 239.27 | USD | 20251011 |
| Guangzhou Tianyue Chem | China national standards | MT | 225.2 | USD | 20251011 |
| Guangzhou Tianyue Chem | Industrial Grade | MT | 225.2 | USD | 20251010 |
| Guangzhou Tianyue Chem | Industrial Grade | MT | 239.27 | USD | 20251010 |
| Guangzhou Tianyue Chem | Industrial Grade | MT | 239.14 | USD | 20250929 |
| Guangzhou Tianyue Chem | Industrial Grade | MT | 225.07 | USD | 20250929 |
| Guangzhou Tianyue Chem | Industrial Grade | MT | 224.87 | USD | 20250928 |