| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1290.56 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 1304.59 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 1304.59 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 1150.28 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 1150.28 | USD | 20250821 |
| Shandong Jinwen Chem | China national standards | MT | 1192.36 | USD | 20250821 |
| Shandong Xingpeng Chem | China national standards | MT | 1003.03 | USD | 20250820 |
| Zibo Lishuo Chem | China national standards | MT | 980.61 | USD | 20250820 |
| Zibo Lishuo Chem | China national standards | MT | 980.61 | USD | 20250820 |
| Zibo Lishuo Chem | China national standards | MT | 980.61 | USD | 20250820 |