| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Qidi Chem | China national standards | MT | 748.97 | USD | 20251208 |
| Changzhou Qidi Chem | China national standards | MT | 819.8 | USD | 20251205 |
| Changzhou Qidi Chem | China national standards | MT | 819.99 | USD | 20251204 |
| Changzhou Qidi Chem | China national standards | MT | 819.68 | USD | 20251201 |
| Changzhou Qidi Chem | China national standards | MT | 819.26 | USD | 20251126 |
| Changzhou Qidi Chem | China national standards | MT | 748.31 | USD | 20251125 |
| Changzhou Qidi Chem | China national standards | MT | 818.34 | USD | 20251121 |
| Changzhou Qidi Chem | China national standards | MT | 748.32 | USD | 20251114 |
| Changzhou Qidi Chem | China national standards | MT | 747.89 | USD | 20251111 |
| Changzhou Qidi Chem | China national standards | MT | 748.13 | USD | 20251029 |