| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | Industrial Grade | MT | 10530.18 | USD | 20251205 |
| Shandong Yihe Chem | Battery Grade | MT | 10530.18 | USD | 20251205 |
| Shandong Yihe Chem | Industrial Grade | MT | 10532.57 | USD | 20251204 |
| Shandong Yihe Chem | Battery Grade | MT | 10532.57 | USD | 20251204 |
| Shandong Yihe Chem | China national standards | MT | 10529.44 | USD | 20251203 |
| Shandong Yihe Chem | China national standards | MT | 10529.44 | USD | 20251203 |
| Shandong Yihe Chem | Battery Grade | MT | 10523.49 | USD | 20251202 |
| Shandong Yihe Chem | Industrial Grade | MT | 10523.49 | USD | 20251202 |
| Shandong Yihe Chem | Battery Grade | MT | 10528.7 | USD | 20251201 |
| Shandong Yihe Chem | Industrial Grade | MT | 10528.7 | USD | 20251201 |