| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 799.58 | USD | 20250821 |
| Shandong Qiangsen Chem | China national standards | MT | 799.58 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 883.75 | USD | 20250821 |
| Shandong Jinwen Chem | China national standards | MT | 848.68 | USD | 20250821 |
| Shandong Jinwen Chem | China national standards | MT | 848.68 | USD | 20250821 |
| Zibo Lishuo Chem | China national standards | MT | 812.51 | USD | 20250820 |
| Zibo Lishuo Chem | China national standards | MT | 812.51 | USD | 20250820 |
| Zibo Lishuo Chem | China national standards | MT | 812.51 | USD | 20250820 |
| Zibo Lishuo Chem | China national standards | MT | 812.51 | USD | 20250820 |
| Zibo Lishuo Chem | China national standards | MT | 812.51 | USD | 20250820 |