| Vendor | Spec | Unit | Price | Currency | Date |
| TJ Yongli Chem | China national standards | MT | 474.44 | USD | 20260508 |
| TJ Yongli Chem | China national standards | MT | 474.54 | USD | 20260507 |
| TJ Yongli Chem | China national standards | MT | 474.02 | USD | 20260506 |
| TJ Yongli Chem | China national standards | MT | USD | 20260430 | |
| TJ Yongli Chem | China national standards | MT | USD | 20260429 | |
| TJ Yongli Chem | China national standards | MT | USD | 20260428 | |
| TJ Yongli Chem | China national standards | MT | USD | 20260427 | |
| TJ Yongli Chem | China national standards | MT | USD | 20260424 | |
| TJ Yongli Chem | China national standards | MT | USD | 20260423 | |
| TJ Yongli Chem | China national standards | MT | USD | 20260422 |