| Vendor | Spec | Unit | Price | Currency | Date |
| Yancheng SUPER Chem | China national standards | MT | 925.65 | USD | 20250918 |
| Yancheng SUPER Chem | China national standards | MT | 926.41 | USD | 20250916 |
| Yancheng SUPER Chem | China national standards | MT | 827.85 | USD | 20250916 |
| Yancheng SUPER Chem | China national standards | MT | 926.03 | USD | 20250915 |
| Yancheng SUPER Chem | China national standards | MT | 897.88 | USD | 20250915 |
| Yancheng SUPER Chem | China national standards | MT | 926.66 | USD | 20250909 |
| Yancheng SUPER Chem | China national standards | MT | 926.38 | USD | 20250908 |
| Yancheng SUPER Chem | China national standards | MT | 925.93 | USD | 20250906 |
| Yancheng SUPER Chem | China national standards | MT | 925.6 | USD | 20250902 |
| Yancheng SUPER Chem | China national standards | MT | 925.82 | USD | 20250901 |