| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Jiaye Chem | China national standards | MT | 1158.63 | USD | 20251209 |
| Changzhou Jiaye Chem | China national standards | MT | 1159.03 | USD | 20251205 |
| Changzhou Jiaye Chem | China national standards | MT | 1158.26 | USD | 20251126 |
| Changzhou Jiaye Chem | China national standards | MT | 1157.11 | USD | 20251111 |
| Changzhou Jiaye Chem | China national standards | MT | 1157.1 | USD | 20251103 |
| Changzhou Jiaye Chem | China national standards | MT | 1157.49 | USD | 20251029 |
| Changzhou Jiaye Chem | China national standards | MT | 1156.07 | USD | 20251021 |
| Changzhou Jiaye Chem | China national standards | MT | 1154.82 | USD | 20251013 |
| Changzhou Jiaye Chem | China national standards | MT | 1153.55 | USD | 20250918 |