| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | Reagent Grade | MT | 57.79 | USD | 20251017 |
| Shandong Laya Chem | Reagent Grade | MT | 57.77 | USD | 20251016 |
| Shandong Laya Chem | Reagent Grade | MT | 57.75 | USD | 20251015 |
| Shandong Laya Chem | Reagent Grade | MT | 57.73 | USD | 20251014 |
| Shandong Laya Chem | Reagent Grade | MT | 57.74 | USD | 20251013 |
| Shandong Laya Chem | Reagent Grade | MT | 57.71 | USD | 20251011 |
| Shandong Laya Chem | Reagent Grade | MT | 57.66 | USD | 20251009 |
| Shandong Laya Chem | Reagent Grade | MT | 57.7 | USD | 20251008 |
| Shandong Laya Chem | Reagent Grade | MT | 57.7 | USD | 20250930 |
| Shandong Laya Chem | Reagent Grade | MT | 57.67 | USD | 20250929 |