| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 852.17 | USD | 20251015 |
| Shandong Jinwen Chem | China national standards | MT | 852.17 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 887.39 | USD | 20251015 |
| Changzhou Guoshun Chem | China national standards | MT | 1126.43 | USD | 20251014 |
| Changzhou Guoshun Chem | China national standards | MT | 1689.64 | USD | 20251014 |
| Jinan Aochen Chem | China national standards | MT | 746.26 | USD | 20251014 |
| Shandong Jinshenrun Chem | China national standards | MT | 760.34 | USD | 20251014 |
| Shandong Yushuo Chem | China national standards | MT | 746.26 | USD | 20251014 |
| Shandong Yushuo Chem | China national standards | MT | 746.26 | USD | 20251014 |
| Jinan Aochen Chem | China national standards | MT | 746.26 | USD | 20251014 |