| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hualu | China national standards | MT | 330.42 | USD | 20260203 |
| Shandong Hualu | China national standards | MT | 332.88 | USD | 20260202 |
| Shandong Shuntian Chem | China national standards | MT | 308.49 | USD | 20260202 |
| Shandong Hualu | China national standards | MT | 336.82 | USD | 20260129 |
| Hebei Zhengyuan Hydro | China national standards | MT | 309.58 | USD | 20260129 |
| Shandong Hualu | China national standards | MT | 343.63 | USD | 20260126 |
| Hebei Zhengyuan Hydro | China national standards | MT | 314.99 | USD | 20260126 |
| Shandong Shuntian Chem | China national standards | MT | 314.99 | USD | 20260126 |
| Shandong Hualu | China national standards | MT | 363.88 | USD | 20260116 |
| Hebei Zhengyuan Hydro | China national standards | MT | 336.77 | USD | 20260116 |