| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 849.86 | USD | 20250826 |
| Shandong Jinwen Chem | China national standards | MT | 849.86 | USD | 20250826 |
| Shandong Langchem | China national standards | MT | 884.98 | USD | 20250826 |
| Shandong Qiangsen Chem | China national standards | MT | 800.7 | USD | 20250826 |
| Shandong Qiangsen Chem | China national standards | MT | 800.7 | USD | 20250826 |
| Shandong Laya Chem | China national standards | MT | 744.51 | USD | 20250826 |
| Shandong Langchem | China national standards | MT | 885.32 | USD | 20250825 |
| Zibo Lishuo Chem | China national standards | MT | 815.05 | USD | 20250825 |
| Zibo Lishuo Chem | China national standards | MT | 815.05 | USD | 20250825 |
| Zibo Lishuo Chem | China national standards | MT | 815.05 | USD | 20250825 |