| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 2160.53 | USD | 20251117 |
| Wanhua Chem | China national standards | MT | 1023.78 | USD | 20251117 |
| Wanhua Chem | China national standards | MT | 762.44 | USD | 20251115 |
| Wanhua Chem | China national standards | MT | 2160.25 | USD | 20251115 |
| Wanhua Chem | China national standards | MT | 1023.65 | USD | 20251115 |
| Wanhua Chem | China national standards | MT | 762.44 | USD | 20251114 |
| Wanhua Chem | China national standards | MT | 2160.25 | USD | 20251114 |
| Wanhua Chem | China national standards | MT | 1023.65 | USD | 20251114 |
| Wanhua Chem | China national standards | MT | 2159.03 | USD | 20251113 |
| Wanhua Chem | China national standards | MT | 762.01 | USD | 20251113 |