| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | 128# | MT | 1899.88 | USD | 20250925 |
| Shandong Yihe Chem | 128# | MT | 1899.88 | USD | 20250924 |
| Shandong Yihe Chem | 128# | MT | 1899.88 | USD | 20250923 |
| Shandong Yihe Chem | 128# | MT | 1898.57 | USD | 20250922 |
| Shandong Yihe Chem | 128# | MT | 1897.99 | USD | 20250919 |
| Shandong Yihe Chem | 128# | MT | 1899.13 | USD | 20250918 |