| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 1526.52 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 1512.39 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 1512.39 | USD | 20251205 |
| Jinan Aochen Chem | China national standards | MT | 1272.1 | USD | 20251205 |
| Jinan Jiaxing Chem | China national standards | MT | 1130.76 | USD | 20251205 |
| Shandong Yuxuan Chem | China national standards | MT | 1823.35 | USD | 20251205 |
| Jiangsu Yingte Chem | China national standards | MT | 1356.91 | USD | 20251205 |
| Aite Zhejiang | China national standards | MT | 1272.1 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 1512.39 | USD | 20251205 |
| Jinan Jiaxing Chem | China national standards | MT | 989.41 | USD | 20251205 |