| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Jiaye Chem | China national standards | MT | 1102.12 | USD | 20251209 |
| Changzhou Jiaye Chem | China national standards | MT | 1102.49 | USD | 20251205 |
| Changzhou Jiaye Chem | China national standards | MT | 1101.76 | USD | 20251126 |
| Changzhou Jiaye Chem | China national standards | MT | 1100.67 | USD | 20251111 |
| Changzhou Jiaye Chem | China national standards | MT | 1100.65 | USD | 20251103 |
| Changzhou Jiaye Chem | China national standards | MT | 1101.03 | USD | 20251029 |
| Changzhou Jiaye Chem | China national standards | MT | 1099.68 | USD | 20251021 |
| Changzhou Jiaye Chem | China national standards | MT | 1098.48 | USD | 20251013 |
| Changzhou Jiaye Chem | China national standards | MT | 1097.28 | USD | 20250918 |