| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Qinghong Chem | China national standards | MT | 91.35 | USD | 20250926 |
| Heze Jiangyuan Chem | China national standards | MT | 85.73 | USD | 20250926 |
| Zouping Tianlu Chem | China national standards | MT | 88.54 | USD | 20250926 |
| Heze Jiangyuan Chem | China national standards | MT | 85.85 | USD | 20250925 |
| Changzhou Qinghong Chem | China national standards | MT | 97.11 | USD | 20250925 |
| Zouping Tianlu Chem | China national standards | MT | 91.48 | USD | 20250925 |
| Changzhou Qinghong Chem | China national standards | MT | 97.11 | USD | 20250924 |
| Zouping Tianlu Chem | China national standards | MT | 91.48 | USD | 20250924 |
| Heze Jiangyuan Chem | China national standards | MT | 85.85 | USD | 20250924 |
| Zhangzhou Sanan Chem | China national standards | MT | 91.48 | USD | 20250923 |