| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1147.76 | USD | 20250909 |
| Shandong Yeyang Chem | China national standards | MT | 1147.42 | USD | 20250908 |
| Shandong Yeyang Chem | China national standards | MT | 1146.85 | USD | 20250906 |
| Shandong Yeyang Chem | China national standards | MT | 1146.85 | USD | 20250905 |
| Shandong Yeyang Chem | China national standards | MT | 1139.69 | USD | 20250901 |
| Shandong Yeyang Chem | China national standards | MT | 1146.72 | USD | 20250901 |
| Shandong Yeyang Chem | China national standards | MT | 1146.87 | USD | 20250828 |
| Shandong Yeyang Chem | China national standards | MT | 1139.83 | USD | 20250828 |
| Shandong Yeyang Chem | China national standards | MT | 1146.14 | USD | 20250827 |
| Shandong Yeyang Chem | China national standards | MT | 1144.86 | USD | 20250826 |