| Vendor | Spec | Unit | Price | Currency | Date |
| Zhenjiang UnionChem | China national standards | MT | 1486.12 | USD | 20260423 |
| Zhenjiang UnionChem | China national standards | MT | 1500.69 | USD | 20260422 |
| Zhenjiang UnionChem | China national standards | MT | 1516.17 | USD | 20260421 |
| Zhenjiang UnionChem | China national standards | MT | 1514.97 | USD | 20260420 |
| Zhenjiang UnionChem | China national standards | MT | 1515.55 | USD | 20260417 |
| Zhenjiang UnionChem | China national standards | MT | 1515.68 | USD | 20260416 |
| Zhenjiang UnionChem | China national standards | MT | USD | 20260415 | |
| Zhenjiang UnionChem | China national standards | MT | USD | 20260414 | |
| Zhenjiang UnionChem | China national standards | MT | USD | 20260413 | |
| Zhenjiang UnionChem | China national standards | MT | USD | 20260410 |