| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Guoshun Chem | China national standards | MT | 1692.41 | USD | 20251120 |
| Changzhou Guoshun Chem | China national standards | MT | 1128.27 | USD | 20251120 |
| Changzhou Guoshun Chem | China national standards | MT | 1693.19 | USD | 20251119 |
| Changzhou Guoshun Chem | China national standards | MT | 1128.8 | USD | 20251119 |
| Changzhou Guoshun Chem | China national standards | MT | 1128.89 | USD | 20251111 |
| Changzhou Guoshun Chem | China national standards | MT | 1693.34 | USD | 20251111 |
| Changzhou Guoshun Chem | China national standards | MT | 1689.64 | USD | 20251014 |
| Changzhou Guoshun Chem | China national standards | MT | 1126.43 | USD | 20251014 |
| Changzhou Guoshun Chem | China national standards | MT | 1125.86 | USD | 20250925 |
| Changzhou Guoshun Chem | China national standards | MT | 1688.79 | USD | 20250925 |