| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1072.31 | USD | 20251121 |
| Wanhua Chem | China national standards | MT | 1072.31 | USD | 20251121 |
| Wanhua Chem | China national standards | MT | 1029.98 | USD | 20251121 |
| Wanhua Chem | China national standards | MT | 1044.09 | USD | 20251121 |
| Wanhua Chem | China national standards | MT | 1030.03 | USD | 20251119 |
| Wanhua Chem | China national standards | MT | 1044.14 | USD | 20251119 |
| Wanhua Chem | China national standards | MT | 1072.36 | USD | 20251119 |
| Wanhua Chem | China national standards | MT | 1072.6 | USD | 20251118 |
| Wanhua Chem | China national standards | MT | 1072.6 | USD | 20251118 |
| Wanhua Chem | China national standards | MT | 1030.26 | USD | 20251118 |