| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1410.99 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1396.88 | USD | 20251119 |
| Shandong Jinling Chem | China national standards | MT | 1128.8 | USD | 20251119 |
| Shandong Jinwen Chem | China national standards | MT | 1213.46 | USD | 20251119 |
| Shandong Zhenkun | China national standards | MT | 998.98 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1255.79 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1213.46 | USD | 20251119 |
| Changzhou Juyun Mat | China national standards | MT | 1142.91 | USD | 20251119 |
| Shandong Laya Chem | China national standards | MT | 973.59 | USD | 20251119 |
| Shandong Zhiheng | China national standards | MT | 1333.39 | USD | 20251119 |