| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hualu | China national standards | MT | 430.16 | USD | 20260427 |
| Hebei Zhengyuan Hydro | China national standards | MT | 396.62 | USD | 20260427 |
| Shandong Shuntian Chem | China national standards | MT | 385.88 | USD | 20260424 |
| Shandong Shuntian Chem | China national standards | MT | 393.39 | USD | 20260423 |
| Hebei Zhengyuan Hydro | China national standards | MT | 403.58 | USD | 20260423 |
| Shandong Hualu | China national standards | MT | 437.09 | USD | 20260423 |
| Shandong Shuntian Chem | China national standards | MT | 400.67 | USD | 20260422 |
| Shandong Hualu | China national standards | MT | 444.38 | USD | 20260422 |
| Shandong Shuntian Chem | China national standards | MT | 408.2 | USD | 20260421 |
| Shandong Hualu | China national standards | MT | 459.22 | USD | 20260421 |