| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Jiaye Chem | China national standards | MT | 918.43 | USD | 20251209 |
| Changzhou Jiaye Chem | China national standards | MT | 918.74 | USD | 20251205 |
| Changzhou Jiaye Chem | China national standards | MT | 918.13 | USD | 20251126 |
| Changzhou Jiaye Chem | China national standards | MT | 917.22 | USD | 20251111 |
| Changzhou Jiaye Chem | China national standards | MT | 917.21 | USD | 20251103 |
| Changzhou Jiaye Chem | China national standards | MT | 917.52 | USD | 20251029 |
| Changzhou Jiaye Chem | China national standards | MT | 916.4 | USD | 20251021 |
| Changzhou Jiaye Chem | China national standards | MT | 915.4 | USD | 20251013 |
| Changzhou Jiaye Chem | China national standards | MT | 914.4 | USD | 20250918 |