| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1232.6 | USD | 20260129 |
| Wanhua Chem | China national standards | MT | 1248.37 | USD | 20260129 |
| Wanhua Chem | China national standards | MT | 1179.77 | USD | 20260123 |
| Wanhua Chem | China national standards | MT | 1202.65 | USD | 20260123 |
| Wanhua Chem | China national standards | MT | 1179.77 | USD | 20260123 |
| Wanhua Chem | China national standards | MT | 1186.92 | USD | 20260123 |
| Wanhua Chem | China national standards | MT | 1171.55 | USD | 20260116 |
| Wanhua Chem | China national standards | MT | 1148.95 | USD | 20260115 |
| Wanhua Chem | China national standards | MT | 1141.18 | USD | 20260113 |
| Wanhua Chem | China national standards | MT | 1156.87 | USD | 20260113 |