| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1045.95 | USD | 20251206 |
| Wanhua Chem | China national standards | MT | 1031.82 | USD | 20251206 |
| Wanhua Chem | China national standards | MT | 1074.22 | USD | 20251205 |
| Wanhua Chem | China national standards | MT | 1045.95 | USD | 20251205 |
| Wanhua Chem | China national standards | MT | 1031.82 | USD | 20251205 |
| Wanhua Chem | China national standards | MT | 1032.05 | USD | 20251204 |
| Wanhua Chem | China national standards | MT | 1046.19 | USD | 20251204 |
| Wanhua Chem | China national standards | MT | 1074.46 | USD | 20251204 |
| Wanhua Chem | China national standards | MT | 1045.88 | USD | 20251203 |
| Wanhua Chem | China national standards | MT | 1031.74 | USD | 20251203 |