| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1513.74 | USD | 20251211 |
| Shandong Yaoming Chem | China national standards | MT | 1082.25 | USD | 20251211 |
| Shandong Junfeng | China national standards | MT | 926.63 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 1570.33 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 1131.77 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1174.21 | USD | 20251211 |
| Jinan Qi Mat | China national standards | MT | 1526.44 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 1625.37 | USD | 20251210 |
| Jiangsu Yingte Chem | China national standards | MT | 1356.83 | USD | 20251210 |
| Jinan Qi Mat | China national standards | MT | 1526.44 | USD | 20251210 |