| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 760.49 | USD | 20251013 |
| Wanhua Chem | China national standards | MT | 1020.44 | USD | 20251011 |
| Wanhua Chem | China national standards | MT | 2153.47 | USD | 20251011 |
| Wanhua Chem | China national standards | MT | 760.05 | USD | 20251011 |
| Wanhua Chem | China national standards | MT | 1020.44 | USD | 20251010 |
| Wanhua Chem | China national standards | MT | 2153.47 | USD | 20251010 |
| Wanhua Chem | China national standards | MT | 759.47 | USD | 20251009 |
| Wanhua Chem | China national standards | MT | 2151.84 | USD | 20251009 |
| Wanhua Chem | China national standards | MT | 2151.84 | USD | 20251009 |
| Wanhua Chem | China national standards | MT | 1019.66 | USD | 20251009 |