| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | Reagent Grade | MT | 57.72 | USD | 20250916 |
| Shandong Laya Chem | Reagent Grade | MT | 57.7 | USD | 20250915 |
| Shandong Laya Chem | Reagent Grade | MT | 57.73 | USD | 20250912 |
| Shandong Laya Chem | Reagent Grade | MT | 57.72 | USD | 20250911 |
| Shandong Laya Chem | Reagent Grade | MT | 57.7 | USD | 20250910 |
| Shandong Laya Chem | Reagent Grade | MT | 57.74 | USD | 20250909 |
| Shandong Laya Chem | Reagent Grade | MT | 57.74 | USD | 20250909 |
| Shandong Laya Chem | Reagent Grade | MT | 57.72 | USD | 20250908 |
| Shandong Laya Chem | Reagent Grade | MT | 57.72 | USD | 20250908 |
| Shandong Laya Chem | Reagent Grade | MT | 57.69 | USD | 20250907 |