| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1072.43 | USD | 20251103 |
| Wanhua Chem | China national standards | MT | 1029.91 | USD | 20251102 |
| Wanhua Chem | China national standards | MT | 1044.02 | USD | 20251102 |
| Wanhua Chem | China national standards | MT | 1029.91 | USD | 20251101 |
| Wanhua Chem | China national standards | MT | 1044.02 | USD | 20251101 |
| Wanhua Chem | China national standards | MT | 1072.23 | USD | 20251101 |
| Wanhua Chem | China national standards | MT | 1029.91 | USD | 20251031 |
| Wanhua Chem | China national standards | MT | 1044.02 | USD | 20251031 |
| Wanhua Chem | China national standards | MT | 1072.23 | USD | 20251031 |
| Wanhua Chem | China national standards | MT | 1044.25 | USD | 20251030 |