| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 865.43 | USD | 20250828 |
| Aite Zhejiang | China national standards | MT | 985.04 | USD | 20250828 |
| Aite Zhejiang | China national standards | MT | 985.04 | USD | 20250828 |
| Shandong Xima | China national standards | MT | 745.82 | USD | 20250828 |
| Shandong Qiangsen Chem | China national standards | MT | 816.18 | USD | 20250828 |
| Shandong Yeyang Chem | China national standards | MT | 773.96 | USD | 20250828 |
| Qingdao Shengze Chem | China national standards | MT | 815.66 | USD | 20250827 |
| Qingdao Shengze Chem | China national standards | MT | 815.66 | USD | 20250827 |
| Shandong Qiancheng | China national standards | MT | 843.79 | USD | 20250827 |
| Shandong Xingpeng Chem | China national standards | MT | 864.88 | USD | 20250827 |