| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 856.36 | USD | 20260115 |
| Wanhua Chem | China national standards | MT | 840.49 | USD | 20260109 |
| Wanhua Chem | China national standards | MT | 840.49 | USD | 20260109 |
| Wanhua Chem | China national standards | MT | 840.49 | USD | 20260109 |
| Wanhua Chem | China national standards | MT | 812.28 | USD | 20260106 |
| Wanhua Chem | China national standards | MT | 812.28 | USD | 20260106 |
| Wanhua Chem | China national standards | MT | 812.28 | USD | 20260106 |
| Wanhua Chem | China national standards | MT | 810.95 | USD | 20260104 |
| Wanhua Chem | China national standards | MT | 810.45 | USD | 20251229 |
| Wanhua Chem | China national standards | MT | 810.45 | USD | 20251229 |