| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Nuosman Chem | China national standards | MT | 776.11 | USD | 20251111 |
| Suzhou Nuosman Chem | China national standards | MT | 775.15 | USD | 20251022 |
| Suzhou Nuosman Chem | China national standards | MT | 775.41 | USD | 20251021 |
| Suzhou Nuosman Chem | China national standards | MT | 774.94 | USD | 20251020 |
| Suzhou Nuosman Chem | China national standards | MT | 775.2 | USD | 20251017 |