| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | Industrial Grade | MT | 15387.66 | USD | 20251107 |
| Shandong Yihe Chem | Industrial Grade | MT | 15381.36 | USD | 20251106 |
| Shandong Yihe Chem | China national standards | MT | 11006.84 | USD | 20251106 |
| Shandong Yihe Chem | China national standards | MT | 11001.26 | USD | 20251105 |
| Shandong Yihe Chem | Industrial Grade | MT | 15373.55 | USD | 20251105 |
| Shandong Yihe Chem | Industrial Grade | MT | 15377.02 | USD | 20251104 |
| Shandong Yihe Chem | China national standards | MT | 11003.74 | USD | 20251104 |
| Shandong Yihe Chem | China national standards | MT | 11006.53 | USD | 20251103 |
| Shandong Yihe Chem | Industrial Grade | MT | 15380.92 | USD | 20251103 |
| Shandong Yihe Chem | Industrial Grade | MT | 15378.1 | USD | 20251102 |