| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 788.03 | USD | 20250828 |
| Shandong Laya Chem | China national standards | MT | 788.03 | USD | 20250828 |
| Shandong Qiancheng | China national standards | MT | 844.32 | USD | 20250828 |
| Qingdao Shengze Chem | China national standards | MT | 816.18 | USD | 20250828 |
| Qingdao Shengze Chem | China national standards | MT | 816.18 | USD | 20250828 |
| Zibo Lishuo Chem | China national standards | MT | 914.68 | USD | 20250828 |
| Zibo Lishuo Chem | China national standards | MT | 914.68 | USD | 20250828 |
| Zibo Lishuo Chem | China national standards | MT | 914.68 | USD | 20250828 |
| Zibo Lishuo Chem | China national standards | MT | 914.68 | USD | 20250828 |
| Zibo Lishuo Chem | China national standards | MT | 914.68 | USD | 20250828 |