| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 985.82 | USD | 20251013 |
| Wanhua Chem | China national standards | MT | 1337.9 | USD | 20251013 |
| Wanhua Chem | China national standards | MT | 1337.12 | USD | 20251011 |
| Wanhua Chem | China national standards | MT | 985.25 | USD | 20251011 |
| Wanhua Chem | China national standards | MT | 1337.12 | USD | 20251010 |
| Wanhua Chem | China national standards | MT | 985.25 | USD | 20251010 |
| Wanhua Chem | China national standards | MT | 984.5 | USD | 20251009 |
| Wanhua Chem | China national standards | MT | 1336.11 | USD | 20251009 |
| Wanhua Chem | China national standards | MT | 1336.99 | USD | 20250930 |
| Wanhua Chem | China national standards | MT | 985.15 | USD | 20250930 |