| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Qidi Chem | China national standards | MT | 917.11 | USD | 20251121 |
| Changzhou Qidi Chem | China national standards | MT | 917.35 | USD | 20251118 |
| Changzhou Qidi Chem | China national standards | MT | 917.35 | USD | 20251118 |
| Changzhou Qidi Chem | China national standards | MT | 917.76 | USD | 20251114 |
| Changzhou Qidi Chem | China national standards | MT | 917.22 | USD | 20251111 |
| Changzhou Qidi Chem | China national standards | MT | 917.52 | USD | 20251029 |
| Changzhou Qidi Chem | China national standards | MT | 915.56 | USD | 20251015 |
| Changzhou Qidi Chem | China national standards | MT | 914.18 | USD | 20251009 |
| Changzhou Qidi Chem | China national standards | MT | 914.18 | USD | 20251009 |