| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1138.26 | USD | 20250825 |
| Shandong Yeyang Chem | China national standards | MT | 1145.29 | USD | 20250825 |
| Shandong Yeyang Chem | China national standards | MT | 1142.72 | USD | 20250823 |
| Shandong Yeyang Chem | China national standards | MT | 1135.71 | USD | 20250823 |
| Shandong Yeyang Chem | China national standards | MT | 1135.71 | USD | 20250822 |
| Shandong Yeyang Chem | China national standards | MT | 1142.72 | USD | 20250822 |
| Shandong Yeyang Chem | China national standards | MT | 1136.25 | USD | 20250821 |
| Shandong Yeyang Chem | China national standards | MT | 1143.27 | USD | 20250821 |
| Shandong Yeyang Chem | China national standards | MT | 1141.71 | USD | 20250820 |
| Shandong Yeyang Chem | China national standards | MT | 1141.71 | USD | 20250820 |