| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chem | China national standards | MT | 871.94 | USD | 20250922 |
| Liaocheng Yuanze Chem | China national standards | MT | 857.87 | USD | 20250922 |
| Luxi Chem | China national standards | MT | 984.14 | USD | 20250921 |
| Lihuayi Shandong | China national standards | MT | 843.55 | USD | 20250921 |
| Shandong Xingpeng Chem | China national standards | MT | 822.46 | USD | 20250921 |
| Liaocheng Yuanze Chem | China national standards | MT | 857.61 | USD | 20250921 |
| Liaocheng Yuanze Chem | China national standards | MT | 871.67 | USD | 20250921 |
| Luxi Chem | China national standards | MT | 885.73 | USD | 20250921 |
| Zibo Lishuo Chem | China national standards | MT | 913.85 | USD | 20250920 |
| Zibo Lishuo Chem | China national standards | MT | 913.85 | USD | 20250920 |