| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1171.32 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 1206.39 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 1206.39 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 1122.22 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 1122.22 | USD | 20250821 |
| Shandong Jinwen Chem | China national standards | MT | 1206.39 | USD | 20250821 |
| Qingdao Shengze Chem | China national standards | MT | 1008.63 | USD | 20250820 |
| Shandong Junfeng | China national standards | MT | 1190.74 | USD | 20250820 |
| Shandong Xingpeng Chem | China national standards | MT | 1036.65 | USD | 20250820 |
| Shandong Xima | China national standards | MT | 952.59 | USD | 20250820 |