| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chem | China national standards | MT | 1154.15 | USD | 20251011 |
| Liaocheng Yuanze Chem | China national standards | MT | 1154.15 | USD | 20251010 |
| Liaocheng Yuanze Chem | China national standards | MT | 1154.04 | USD | 20251007 |
| Liaocheng Yuanze Chem | China national standards | MT | 1154.04 | USD | 20251005 |
| Liaocheng Yuanze Chem | China national standards | MT | 1154.04 | USD | 20251004 |
| Liaocheng Yuanze Chem | China national standards | MT | 1154.04 | USD | 20251004 |
| Liaocheng Yuanze Chem | China national standards | MT | 1154.04 | USD | 20251003 |
| Liaocheng Yuanze Chem | China national standards | MT | 1154.04 | USD | 20251002 |
| Liaocheng Yuanze Chem | China national standards | MT | 1154.04 | USD | 20251001 |
| Liaocheng Yuanze Chem | China national standards | MT | 1153.48 | USD | 20250929 |