| Vendor | Spec | Unit | Price | Currency | Date |
| Yancheng SUPER Chem | China national standards | MT | 926.37 | USD | 20250829 |
| Yancheng SUPER Chem | China national standards | MT | 925.94 | USD | 20250828 |
| Yancheng SUPER Chem | China national standards | MT | 925.35 | USD | 20250827 |
| Yancheng SUPER Chem | China national standards | MT | 924.31 | USD | 20250826 |
| Yancheng SUPER Chem | China national standards | MT | 924.66 | USD | 20250825 |
| Yancheng SUPER Chem | China national standards | MT | 922.59 | USD | 20250823 |
| Yancheng SUPER Chem | China national standards | MT | 922.59 | USD | 20250822 |
| Yancheng SUPER Chem | China national standards | MT | 923.03 | USD | 20250821 |
| Yancheng SUPER Chem | China national standards | MT | 921.78 | USD | 20250820 |
| Yancheng SUPER Chem | China national standards | MT | 922.1 | USD | 20250819 |