| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1066.11 | USD | 20250821 |
| Shandong Jinwen Chem | China national standards | MT | 1038.06 | USD | 20250821 |
| Qingdao Shengze Chem | China national standards | MT | 1015.63 | USD | 20250820 |
| Shandong Xima | China national standards | MT | 980.61 | USD | 20250820 |
| Shandong Qiangsen Chem | China national standards | MT | 980.61 | USD | 20250820 |
| Shandong Laya Chem | China national standards | MT | 994.62 | USD | 20250820 |
| Aite Zhejiang | China national standards | MT | 1022.64 | USD | 20250820 |
| Aite Zhejiang | China national standards | MT | 1064.66 | USD | 20250820 |
| Shandong Jinwen Chem | China national standards | MT | 1036.65 | USD | 20250820 |
| Shandong Langchem | China national standards | MT | 1071.67 | USD | 20250820 |