| Vendor | Spec | Unit | Price | Currency | Date |
| Tangshan Huayi | China national standards | MT | 888.89 | USD | 20251121 |
| Changzhou Guoshun Chem | China national standards | MT | 1128.75 | USD | 20251121 |
| Zibo Qixiang Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Jinan Aochen Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Jinan Jinhao Chem | China national standards | MT | 747.8 | USD | 20251121 |
| Jinan Aochen Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Shandong QiFa Chem | China national standards | MT | 888.89 | USD | 20251121 |
| Baozhen Shandong Chem | China national standards | MT | 747.8 | USD | 20251121 |
| Shandong Zhongke Taihua | China national standards | MT | 945.33 | USD | 20251121 |
| Shandong Yushuo Chem | China national standards | MT | 712.52 | USD | 20251121 |