| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | Industrial Grade | MT | 15910.79 | USD | 20251014 |
| Shandong Yihe Chem | Industrial Grade | MT | 15913.92 | USD | 20251013 |
| Shandong Yihe Chem | China national standards | MT | 12252.31 | USD | 20251013 |
| Shandong Yihe Chem | China national standards | MT | 12245.24 | USD | 20251011 |
| Shandong Yihe Chem | Industrial Grade | MT | 15904.74 | USD | 20251011 |
| Shandong Yihe Chem | China national standards | MT | 12245.24 | USD | 20251010 |
| Shandong Yihe Chem | Industrial Grade | MT | 15904.74 | USD | 20251010 |
| Shandong Yihe Chem | China national standards | MT | 12235.94 | USD | 20251009 |
| Shandong Yihe Chem | Industrial Grade | MT | 15892.66 | USD | 20251009 |
| Shandong Yihe Chem | Industrial Grade | MT | 15903.17 | USD | 20251008 |