| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Qidi Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Changzhou Qidi Chem | China national standards | MT | 818.56 | USD | 20251118 |
| Changzhou Qidi Chem | China national standards | MT | 818.56 | USD | 20251118 |
| Changzhou Qidi Chem | China national standards | MT | 818.92 | USD | 20251114 |
| Changzhou Qidi Chem | China national standards | MT | 818.45 | USD | 20251111 |
| Changzhou Qidi Chem | China national standards | MT | 818.71 | USD | 20251029 |
| Changzhou Qidi Chem | China national standards | MT | 816.96 | USD | 20251015 |
| Changzhou Qidi Chem | China national standards | MT | 816.96 | USD | 20251015 |
| Changzhou Qidi Chem | China national standards | MT | 815.73 | USD | 20251009 |
| Changzhou Qidi Chem | China national standards | MT | 815.92 | USD | 20250918 |