| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Qidi Chem | China national standards | MT | 593.52 | USD | 20251208 |
| Changzhou Qidi Chem | China national standards | MT | 593.0 | USD | 20251125 |
| Changzhou Qidi Chem | China national standards | MT | 677.43 | USD | 20251118 |
| Changzhou Qidi Chem | China national standards | MT | 677.43 | USD | 20251118 |
| Changzhou Qidi Chem | China national standards | MT | 677.73 | USD | 20251114 |
| Changzhou Qidi Chem | China national standards | MT | 677.33 | USD | 20251111 |
| Changzhou Qidi Chem | China national standards | MT | 677.55 | USD | 20251029 |
| Changzhou Qidi Chem | China national standards | MT | 676.1 | USD | 20251015 |
| Changzhou Qidi Chem | China national standards | MT | 676.1 | USD | 20251015 |
| Changzhou Qidi Chem | China national standards | MT | 675.09 | USD | 20251009 |