| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1022.93 | USD | 20251121 |
| Wanhua Chem | China national standards | MT | 1022.49 | USD | 20251120 |
| Wanhua Chem | China national standards | MT | 2157.82 | USD | 20251120 |
| Wanhua Chem | China national standards | MT | 761.58 | USD | 20251120 |
| Wanhua Chem | China national standards | MT | 761.94 | USD | 20251119 |
| Wanhua Chem | China national standards | MT | 2158.82 | USD | 20251119 |
| Wanhua Chem | China national standards | MT | 1022.97 | USD | 20251119 |
| Wanhua Chem | China national standards | MT | 762.11 | USD | 20251118 |
| Wanhua Chem | China national standards | MT | 1023.2 | USD | 20251118 |
| Wanhua Chem | China national standards | MT | 762.54 | USD | 20251117 |