| Vendor | Spec | Unit | Price | Currency | Date |
| Liao RunChem | China national standards | MT | 825.98 | USD | 20251114 |
| Liao RunChem | China national standards | MT | 818.27 | USD | 20251027 |
| Liao RunChem | China national standards | MT | 839.0 | USD | 20251023 |
| Liao RunChem | China national standards | MT | 908.18 | USD | 20251014 |
| Liao RunChem | China national standards | MT | 907.84 | USD | 20251010 |