| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Changzhou Yihan Chem | China national standards | MT | USD | 20251211 | |
| Changzhou Yihan Chem | China national standards | MT | USD | 20251205 | |
| Changzhou Yihan Chem | China national standards | MT | USD | 20251203 | |
| Changzhou Yihan Chem | China national standards | MT | USD | 20251201 | |
| Changzhou Yihan Chem | China national standards | MT | USD | 20251017 | |
| Changzhou Yihan Chem | China national standards | MT | USD | 20251016 | |
| Changzhou Yihan Chem | China national standards | MT | USD | 20251015 | |
| Changzhou Yihan Chem | China national standards | MT | USD | 20251014 | |
| Changzhou Yihan Chem | China national standards | MT | USD | 20250925 | |
| Changzhou Yihan Chem | China national standards | MT | USD | 20250924 |
