| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chem | China national standards | MT | 956.55 | USD | 20250929 |
| Jinan Angxin Chem | China national standards | MT | 801.81 | USD | 20250929 |
| Shandong Langchem | China national standards | MT | 844.01 | USD | 20250929 |
| Shandong Langchem | China national standards | MT | 942.48 | USD | 20250929 |
| Shandong Langchem | Industrial Grade | MT | 907.31 | USD | 20250929 |
| Shandong Wells Chem | China national standards | MT | 907.31 | USD | 20250929 |
| Shandong Langchem | China national standards | MT | 900.28 | USD | 20250929 |
| Shandong Langchem | China national standards | MT | 935.45 | USD | 20250929 |
| Shandong Jinwen Chem | China national standards | MT | 844.01 | USD | 20250929 |
| Nanjing Runsheng Petro | Industrial Grade | MT | 872.15 | USD | 20250929 |