| Vendor | Spec | Unit | Price | Currency | Date |
| Zhenjiang UnionChem | China national standards | MT | 2491.21 | USD | 20260528 |
| Zhenjiang UnionChem | China national standards | MT | 2489.35 | USD | 20260527 |
| Zhenjiang UnionChem | China national standards | MT | 2489.46 | USD | 20260526 |
| Zhenjiang UnionChem | China national standards | MT | 2488.36 | USD | 20260525 |
| Zhenjiang UnionChem | China national standards | MT | 2486.36 | USD | 20260522 |
| Zhenjiang UnionChem | China national standards | MT | 2487.23 | USD | 20260521 |
| Zhenjiang UnionChem | China national standards | MT | USD | 20260520 | |
| Zhenjiang UnionChem | China national standards | MT | USD | 20260519 | |
| Zhenjiang UnionChem | China national standards | MT | USD | 20260518 | |
| Zhenjiang UnionChem | China national standards | MT | USD | 20260515 |