| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 914.57 | USD | 20250901 |
| Zibo Lishuo Chem | China national standards | MT | 914.57 | USD | 20250901 |
| Shandong Xima | China national standards | MT | 745.72 | USD | 20250901 |
| Shandong Junfeng | China national standards | MT | 2152.75 | USD | 20250901 |
| Shandong Junfeng | China national standards | MT | 2180.89 | USD | 20250901 |
| Shandong Junfeng | China national standards | MT | 2152.75 | USD | 20250901 |
| Jiangsu Huachang Chem | China national standards | MT | 2152.75 | USD | 20250901 |
| Shandong Qiangsen Chem | China national standards | MT | 816.07 | USD | 20250901 |
| Shandong Laya Chem | China national standards | MT | 787.93 | USD | 20250901 |
| Qingdao Shengze Chem | China national standards | MT | 816.56 | USD | 20250831 |