| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Qidi Chem | China national standards | MT | 989.2 | USD | 20251208 |
| Changzhou Qidi Chem | China national standards | MT | 988.34 | USD | 20251125 |
| Changzhou Qidi Chem | China national standards | MT | 987.92 | USD | 20251118 |
| Changzhou Qidi Chem | China national standards | MT | 987.92 | USD | 20251118 |
| Changzhou Qidi Chem | China national standards | MT | 988.35 | USD | 20251114 |
| Changzhou Qidi Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Changzhou Qidi Chem | China national standards | MT | 988.1 | USD | 20251029 |
| Changzhou Qidi Chem | China national standards | MT | 985.98 | USD | 20251015 |
| Changzhou Qidi Chem | China national standards | MT | 985.98 | USD | 20251015 |
| Changzhou Qidi Chem | China national standards | MT | 984.5 | USD | 20251009 |