| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1056.18 | USD | 20260115 |
| Wanhua Chem | China national standards | MT | 1041.25 | USD | 20260112 |
| Wanhua Chem | China national standards | MT | 1041.25 | USD | 20260112 |
| Wanhua Chem | China national standards | MT | 1041.25 | USD | 20260112 |
| Wanhua Chem | China national standards | MT | 996.73 | USD | 20260105 |
| Wanhua Chem | China national standards | MT | 996.73 | USD | 20260105 |
| Wanhua Chem | China national standards | MT | 958.92 | USD | 20251225 |
| Wanhua Chem | China national standards | MT | 962.0 | USD | 20251211 |
| Wanhua Chem | China national standards | MT | 961.09 | USD | 20251210 |
| Wanhua Chem | China national standards | MT | 946.81 | USD | 20251208 |