| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chem | China national standards | MT | 872.15 | USD | 20250929 |
| Liaocheng Yuanze Chem | China national standards | MT | 858.08 | USD | 20250929 |
| Liaocheng Yuanze Chem | China national standards | MT | 857.32 | USD | 20250928 |
| Liaocheng Yuanze Chem | China national standards | MT | 857.32 | USD | 20250927 |
| Liaocheng Yuanze Chem | China national standards | MT | 857.32 | USD | 20250926 |
| Liaocheng Yuanze Chem | China national standards | MT | 857.32 | USD | 20250926 |
| Liaocheng Yuanze Chem | China national standards | MT | 871.37 | USD | 20250926 |
| Liaocheng Yuanze Chem | China national standards | MT | 871.37 | USD | 20250926 |
| Liaocheng Yuanze Chem | China national standards | MT | 858.47 | USD | 20250924 |
| Liaocheng Yuanze Chem | China national standards | MT | 858.47 | USD | 20250923 |