| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chem | China national standards | MT | 956.98 | USD | 20250925 |
| Qingdao Shengze Chem | China national standards | MT | 816.25 | USD | 20250925 |
| Qingdao Shengze Chem | Industrial Grade | MT | 816.25 | USD | 20250925 |
| Shandong Wells Chem | China national standards | MT | 907.72 | USD | 20250925 |
| Shandong Langchem | Industrial Grade | MT | 907.72 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 935.87 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 900.69 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 942.9 | USD | 20250925 |
| Shandong Langchem | China national standards | MT | 844.39 | USD | 20250925 |
| Shandong Jinshenrun Chem | China national standards | MT | 886.61 | USD | 20250925 |