| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Zhengyuan Hydro | China national standards | MT | 296.37 | USD | 20260605 |
| Shandong Hualu | China national standards | MT | 366.8 | USD | 20260605 |
| Shandong Shuntian Chem | China national standards | MT | 330.12 | USD | 20260605 |
| Hebei Zhengyuan Hydro | China national standards | MT | 325.5 | USD | 20260604 |
| Hebei Zhengyuan Hydro | China national standards | MT | 340.3 | USD | 20260529 |
| Shandong Hualu | China national standards | MT | 374.03 | USD | 20260529 |
| Hebei Zhengyuan Hydro | China national standards | MT | USD | 20260525 | |
| Shandong Shuntian Chem | China national standards | MT | USD | 20260525 | |
| Shandong Hualu | China national standards | MT | USD | 20260522 | |
| Hebei Zhengyuan Hydro | China national standards | MT | USD | 20260520 |