| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuntian Chem | China national standards | MT | 297.18 | USD | 20260310 |
| Hebei Zhengyuan Hydro | China national standards | MT | 304.43 | USD | 20260310 |
| Shandong Hualu | China national standards | MT | 345.02 | USD | 20260310 |
| Shandong Hualu | China national standards | MT | 340.55 | USD | 20260305 |
| Shandong Hualu | China national standards | MT | 335.67 | USD | 20260224 |
| Shandong Hualu | China national standards | MT | 329.7 | USD | 20260210 |
| Shandong Hualu | China national standards | MT | 326.51 | USD | 20260209 |
| Shandong Shuntian Chem | China national standards | MT | 287.67 | USD | 20260209 |
| Hebei Zhengyuan Hydro | China national standards | MT | 304.94 | USD | 20260209 |
| Shandong Shuntian Chem | China national standards | MT | 294.58 | USD | 20260206 |