| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1024.4 | USD | 20251209 |
| Wanhua Chem | China national standards | MT | 763.0 | USD | 20251209 |
| Wanhua Chem | China national standards | MT | 763.1 | USD | 20251208 |
| Wanhua Chem | China national standards | MT | 1024.53 | USD | 20251208 |
| Wanhua Chem | China national standards | MT | 2162.12 | USD | 20251208 |
| Wanhua Chem | China national standards | MT | 1024.75 | USD | 20251205 |
| Wanhua Chem | China national standards | MT | 2162.57 | USD | 20251205 |
| Wanhua Chem | China national standards | MT | 763.26 | USD | 20251205 |
| Wanhua Chem | China national standards | MT | 763.43 | USD | 20251204 |
| Wanhua Chem | China national standards | MT | 1024.98 | USD | 20251204 |