| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 1526.52 | USD | 20251205 |
| Jinan Aochen Chem | China national standards | MT | 1356.91 | USD | 20251205 |
| Jiangsu Yingte Chem | China national standards | MT | 1356.91 | USD | 20251205 |
| Shandong Qiangsen Chem | China national standards | MT | 1060.09 | USD | 20251205 |
| Jinan Aochen Chem | China national standards | MT | 1356.91 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1175.99 | USD | 20251205 |
| Jinan Qi Mat | China national standards | MT | 1526.87 | USD | 20251204 |
| Jinan Qi Mat | China national standards | MT | 1526.87 | USD | 20251204 |
| Xiamen Yudeshun Chem | China national standards | MT | 1512.73 | USD | 20251204 |
| Shandong Yeyang Chem | China national standards | MT | 1152.22 | USD | 20251204 |