| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1012.54 | USD | 20250827 |
| Shandong Xingpeng Chem | China national standards | MT | 1018.43 | USD | 20250826 |
| Shandong Xingpeng Chem | China national standards | MT | 1021.63 | USD | 20250825 |
| Shandong Xingpeng Chem | China national standards | MT | 1019.34 | USD | 20250824 |
| Shandong Xingpeng Chem | China national standards | MT | 1019.34 | USD | 20250823 |
| Shandong Xingpeng Chem | China national standards | MT | 1012.32 | USD | 20250822 |
| Shandong Xingpeng Chem | China national standards | MT | 1004.39 | USD | 20250821 |
| Shandong Xingpeng Chem | China national standards | MT | 1003.03 | USD | 20250820 |
| Shandong Xingpeng Chem | China national standards | MT | 1003.38 | USD | 20250819 |
| Shandong Xingpeng Chem | China national standards | MT | 1005.3 | USD | 20250818 |