| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 983.31 | USD | 20250826 |
| Shandong Xima | China national standards | MT | 969.26 | USD | 20250826 |
| Shandong Jinwen Chem | China national standards | MT | 1194.02 | USD | 20250826 |
| Shandong Langchem | China national standards | MT | 1327.47 | USD | 20250826 |
| Shandong Langchem | China national standards | MT | 1292.35 | USD | 20250826 |
| Shandong Qiangsen Chem | China national standards | MT | 1039.5 | USD | 20250826 |
| Shandong Laya Chem | China national standards | MT | 969.26 | USD | 20250826 |
| Aite Zhejiang | China national standards | MT | 1151.88 | USD | 20250826 |
| Aite Zhejiang | China national standards | MT | 1306.4 | USD | 20250826 |
| Shandong Xingpeng Chem | China national standards | MT | 1021.63 | USD | 20250825 |