| Vendor | Spec | Unit | Price | Currency | Date |
| Guang Longyu Chem | Industrial Grade | MT | 281.09 | USD | 20250926 |
| Guang Longyu Chem | Industrial Grade | MT | 281.09 | USD | 20250926 |
| Guang Longyu Chem | Industrial Grade | MT | 281.46 | USD | 20250925 |
| Guang Longyu Chem | Industrial Grade | MT | 281.27 | USD | 20250922 |
| Guang Longyu Chem | Industrial Grade | MT | 281.18 | USD | 20250919 |
| Guang Longyu Chem | Industrial Grade | MT | 281.35 | USD | 20250918 |