| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 1114.17 | USD | 20251120 |
| Shandong Yeyang Chem | China national standards | MT | 1100.06 | USD | 20251120 |
| Xiamen Yudeshun Chem | China national standards | MT | 1551.37 | USD | 20251120 |
| Xiamen Yudeshun Chem | China national standards | MT | 1551.37 | USD | 20251120 |
| Sinopec | China national standards | MT | 1114.17 | USD | 20251120 |
| Shandong Jinwen Chem | China national standards | MT | 1213.46 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1396.88 | USD | 20251119 |
| Changzhou Juyun Mat | China national standards | MT | 1142.91 | USD | 20251119 |
| Shandong Zhiheng | China national standards | MT | 1333.39 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1213.46 | USD | 20251119 |