| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Jinshuo Chem | China national standards | MT | 606.33 | USD | 20251023 |
| Zibo Jinshuo Chem | China national standards | MT | 606.23 | USD | 20251021 |
| Zibo Jinshuo Chem | China national standards | MT | 605.86 | USD | 20251020 |
| Zibo Jinshuo Chem | China national standards | MT | 605.91 | USD | 20251016 |
| Zibo Jinshuo Chem | China national standards | MT | 619.76 | USD | 20251015 |
| Zibo Jinshuo Chem | China national standards | MT | 619.54 | USD | 20251014 |
| Zibo Jinshuo Chem | China national standards | MT | 619.66 | USD | 20251013 |
| Zibo Jinshuo Chem | China national standards | MT | 633.37 | USD | 20251011 |
| Zibo Jinshuo Chem | China national standards | MT | 633.37 | USD | 20251010 |
| Zibo Jinshuo Chem | China national standards | MT | 646.96 | USD | 20251009 |