| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1537.12 | USD | 20260423 |
| Zhanhua Yukai | China national standards | MT | 1486.12 | USD | 20260423 |
| Shandong Luxi Chem | China national standards | MT | 1296.71 | USD | 20260423 |
| Daqing Sanju | China national standards | MT | 1486.12 | USD | 20260423 |
| Wanhua Chem | China national standards | MT | 1580.83 | USD | 20260422 |
| Zhanhua Yukai | China national standards | MT | 1486.12 | USD | 20260422 |
| Shandong Luxi Chem | China national standards | MT | 1311.28 | USD | 20260422 |
| Daqing Sanju | China national standards | MT | 1486.12 | USD | 20260422 |
| Wanhua Chem | China national standards | MT | 1581.77 | USD | 20260421 |
| Zhanhua Yukai | China national standards | MT | 1487.01 | USD | 20260421 |