| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 854.69 | USD | 20250815 |
| Shandong Xingpeng Chem | China national standards | MT | 855.1 | USD | 20250814 |
| Shandong Xingpeng Chem | China national standards | MT | 854.94 | USD | 20250813 |
| Shandong Xingpeng Chem | China national standards | MT | 854.13 | USD | 20250812 |
| Shandong Xingpeng Chem | China national standards | MT | 854.28 | USD | 20250811 |
| Shandong Xingpeng Chem | China national standards | MT | 854.56 | USD | 20250810 |
| Shandong Xingpeng Chem | China national standards | MT | 854.56 | USD | 20250809 |
| Shandong Xingpeng Chem | China national standards | MT | 854.56 | USD | 20250808 |
| Shandong Xingpeng Chem | China national standards | MT | 855.0 | USD | 20250807 |
| Shandong Xingpeng Chem | China national standards | MT | 854.23 | USD | 20250806 |