| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 900.06 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 935.22 | USD | 20250922 |
| Shandong Langchem | Industrial Grade | MT | 907.1 | USD | 20250922 |
| Shandong Wells Chem | China national standards | MT | 907.1 | USD | 20250922 |
| Shandong Jinwen Chem | China national standards | MT | 843.81 | USD | 20250922 |
| Shandong Wells Chem | China national standards | MT | 815.68 | USD | 20250922 |
| Aite Zhejiang | China national standards | MT | 787.56 | USD | 20250922 |
| Aite Zhejiang | China national standards | MT | 843.81 | USD | 20250922 |
| Shandong Zhiheng | China national standards | MT | 1012.57 | USD | 20250922 |
| Shandong Daoqin Chem | China national standards | MT | 956.32 | USD | 20250922 |