| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 913.08 | USD | 20250826 |
| Zibo Lishuo Chem | China national standards | MT | 913.08 | USD | 20250826 |
| Shandong Xima | China national standards | MT | 744.51 | USD | 20250826 |
| Shandong Qiangsen Chem | China national standards | MT | 814.74 | USD | 20250826 |
| Shandong Laya Chem | China national standards | MT | 786.65 | USD | 20250826 |
| Aite Zhejiang | China national standards | MT | 983.31 | USD | 20250826 |
| Aite Zhejiang | China national standards | MT | 983.31 | USD | 20250826 |
| Qingdao Shengze Chem | China national standards | MT | 815.05 | USD | 20250825 |
| Qingdao Shengze Chem | China national standards | MT | 815.05 | USD | 20250825 |
| Shandong Qiancheng | China national standards | MT | 843.16 | USD | 20250825 |