| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 2158.97 | USD | 20251103 |
| Wanhua Chem | China national standards | MT | 1023.04 | USD | 20251103 |
| Wanhua Chem | China national standards | MT | 761.99 | USD | 20251103 |
| Wanhua Chem | China national standards | MT | 2158.58 | USD | 20251101 |
| Wanhua Chem | China national standards | MT | 1022.86 | USD | 20251101 |
| Wanhua Chem | China national standards | MT | 761.85 | USD | 20251101 |
| Wanhua Chem | China national standards | MT | 2158.58 | USD | 20251031 |
| Wanhua Chem | China national standards | MT | 1022.86 | USD | 20251031 |
| Wanhua Chem | China national standards | MT | 761.85 | USD | 20251031 |
| Wanhua Chem | China national standards | MT | 1023.09 | USD | 20251030 |