| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1651.03 | USD | 20251106 |
| Shandong Xima | China national standards | MT | 846.68 | USD | 20251106 |
| Jinan Qi Mat | China national standards | MT | 1636.92 | USD | 20251106 |
| Jinan Aochen Chem | China national standards | MT | 1312.35 | USD | 20251106 |
| Jinan Aochen Chem | China national standards | MT | 1270.02 | USD | 20251106 |
| Jinan Jiaxing Chem | China national standards | MT | 1128.91 | USD | 20251106 |
| Shandong Yuxuan Chem | China national standards | MT | 1834.47 | USD | 20251106 |
| Shandong Yihe Chem | China national standards | MT | 1622.8 | USD | 20251106 |
| Shandong Junfeng | China national standards | MT | 917.24 | USD | 20251106 |
| Shandong Yeyang Chem | China national standards | MT | 1149.49 | USD | 20251105 |