| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chem | China national standards | MT | 746.39 | USD | 20250909 |
| Aite Zhejiang | China national standards | MT | 704.15 | USD | 20250909 |
| Shandong Langchem | China national standards | MT | 866.1 | USD | 20250909 |
| Shandong Langchem | China national standards | MT | 852.02 | USD | 20250909 |
| Shandong Jinwen Chem | China national standards | MT | 788.64 | USD | 20250909 |
| Shandong Yeyang Chem | China national standards | MT | 774.56 | USD | 20250909 |
| Shandong Yeyang Chem | China national standards | MT | 760.48 | USD | 20250909 |
| Shandong Yeyang Chem | China national standards | MT | 788.64 | USD | 20250909 |
| Qingdao Shengze Chem | China national standards | MT | 689.86 | USD | 20250908 |
| Qingdao Shengze Chem | China national standards | MT | 689.86 | USD | 20250908 |