| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1134.71 | USD | 20250820 |
| Shandong Yeyang Chem | China national standards | MT | 1142.11 | USD | 20250819 |
| Shandong Yeyang Chem | China national standards | MT | 1135.11 | USD | 20250819 |
| Shandong Yeyang Chem | China national standards | MT | 1135.69 | USD | 20250818 |
| Shandong Yeyang Chem | China national standards | MT | 1142.7 | USD | 20250818 |
| Shandong Yeyang Chem | China national standards | MT | 1141.92 | USD | 20250815 |
| Shandong Yeyang Chem | China national standards | MT | 1134.91 | USD | 20250815 |
| Shandong Yeyang Chem | China national standards | MT | 1142.46 | USD | 20250814 |
| Shandong Yeyang Chem | China national standards | MT | 1135.46 | USD | 20250814 |
| Shandong Yeyang Chem | China national standards | MT | 1142.26 | USD | 20250813 |