| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1537.12 | USD | 20260423 |
| Wanhua Chem | China national standards | MT | 1580.83 | USD | 20260422 |
| Wanhua Chem | China national standards | MT | 1581.77 | USD | 20260421 |
| Wanhua Chem | China national standards | MT | 1580.53 | USD | 20260420 |
| Wanhua Chem | China national standards | MT | 1581.13 | USD | 20260417 |
| Wanhua Chem | China national standards | MT | 1581.26 | USD | 20260416 |
| Wanhua Chem | China national standards | MT | USD | 20260415 | |
| Wanhua Chem | China national standards | MT | USD | 20260414 | |
| Wanhua Chem | China national standards | MT | USD | 20260413 | |
| Wanhua Chem | China national standards | MT | USD | 20260410 |