| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 1143.02 | USD | 20260528 |
| Ningbo JUHUA | China national standards | MT | 1128.37 | USD | 20260528 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1171.46 | USD | 20260527 |
| Ningbo JUHUA | China national standards | MT | 1149.49 | USD | 20260527 |
| Ningbo JUHUA | China national standards | MT | 1156.87 | USD | 20260526 |
| Ningbo JUHUA | China national standards | MT | 1178.31 | USD | 20260525 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1170.99 | USD | 20260525 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1199.3 | USD | 20260522 |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260519 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260518 |