| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Qidi Chem | China national standards | MT | 890.28 | USD | 20251208 |
| Changzhou Qidi Chem | China national standards | MT | 889.5 | USD | 20251125 |
| Changzhou Qidi Chem | China national standards | MT | 889.13 | USD | 20251118 |
| Changzhou Qidi Chem | China national standards | MT | 889.13 | USD | 20251118 |
| Changzhou Qidi Chem | China national standards | MT | 889.52 | USD | 20251114 |
| Changzhou Qidi Chem | China national standards | MT | 889.0 | USD | 20251111 |
| Changzhou Qidi Chem | China national standards | MT | 889.29 | USD | 20251029 |
| Changzhou Qidi Chem | China national standards | MT | 887.39 | USD | 20251015 |
| Changzhou Qidi Chem | China national standards | MT | 887.39 | USD | 20251015 |
| Changzhou Qidi Chem | China national standards | MT | 886.05 | USD | 20251009 |