| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | Industrial Grade | MT | 15470.83 | USD | 20251029 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15467.99 | USD | 20251028 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15462.54 | USD | 20251027 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15452.29 | USD | 20251024 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15454.47 | USD | 20251023 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15446.63 | USD | 20251022 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15451.85 | USD | 20251021 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15442.49 | USD | 20251020 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15447.72 | USD | 20251017 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15443.58 | USD | 20251016 |