| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 2159.03 | USD | 20251113 |
| Wanhua Chem | China national standards | MT | 762.36 | USD | 20251112 |
| Wanhua Chem | China national standards | MT | 2160.01 | USD | 20251112 |
| Wanhua Chem | China national standards | MT | 1023.53 | USD | 20251112 |
| Wanhua Chem | China national standards | MT | 1023.06 | USD | 20251111 |
| Wanhua Chem | China national standards | MT | 762.0 | USD | 20251111 |
| Wanhua Chem | China national standards | MT | 2159.0 | USD | 20251111 |
| Wanhua Chem | China national standards | MT | 762.11 | USD | 20251110 |
| Wanhua Chem | China national standards | MT | 1023.2 | USD | 20251110 |
| Wanhua Chem | China national standards | MT | 762.32 | USD | 20251107 |