| Vendor | Spec | Unit | Price | Currency | Date |
| Zhenjiang UnionChem | China national standards | MT | 868.57 | USD | 20260105 |
| Zhenjiang UnionChem | China national standards | MT | 853.63 | USD | 20260104 |
| Zhenjiang UnionChem | China national standards | MT | 853.63 | USD | 20260104 |
| Zhenjiang UnionChem | China national standards | MT | 839.4 | USD | 20251231 |
| Zhenjiang UnionChem | China national standards | MT | 824.47 | USD | 20251230 |
| Zhenjiang UnionChem | China national standards | MT | 824.47 | USD | 20251230 |
| Zhenjiang UnionChem | China national standards | MT | 810.45 | USD | 20251229 |
| Zhenjiang UnionChem | China national standards | MT | 810.45 | USD | 20251229 |
| Zhenjiang UnionChem | China national standards | MT | 795.93 | USD | 20251226 |
| Zhenjiang UnionChem | China national standards | MT | 795.93 | USD | 20251226 |