| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 818.79 | USD | 20251108 |
| Qingdao Shengze Chem | China national standards | MT | 825.85 | USD | 20251108 |
| Shandong Jinshenrun Chem | China national standards | MT | 847.03 | USD | 20251108 |
| Shandong Jinshenrun Chem | China national standards | MT | 847.03 | USD | 20251108 |
| Liaocheng Yuanze Chem | China national standards | MT | 875.26 | USD | 20251108 |
| Shandong Yuxuan Chem | China national standards | MT | 1009.37 | USD | 20251108 |
| Shandong Xima | China national standards | MT | 988.2 | USD | 20251108 |
| Shandong Qiangsen Chem | China national standards | MT | 988.2 | USD | 20251108 |
| Shandong Laya Chem | China national standards | MT | 1002.32 | USD | 20251108 |
| Liaocheng Yuanze Chem | China national standards | MT | 875.26 | USD | 20251107 |