| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 367.37 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 332.05 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 346.18 | USD | 20251209 |
| Liaocheng Xinli | China national standards | MT | 247.27 | USD | 20251209 |
| Liaocheng Xinli | China national standards | MT | 275.53 | USD | 20251209 |
| Luxi Chem | China national standards | MT | 310.85 | USD | 20251209 |
| Shandong Jinshenrun Chem | China national standards | MT | 324.98 | USD | 20251209 |
| Luxi Chem | China national standards | MT | 237.38 | USD | 20251209 |
| Shandong Jinling Chem | China national standards | MT | 237.38 | USD | 20251209 |
| Shandong Yihe Chem | China national standards | MT | 233.14 | USD | 20251209 |