| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 1637.59 | USD | 20251108 |
| Qingdao Shengze Chem | China national standards | MT | 1651.7 | USD | 20251108 |
| Wudi Xinyue Chem | China national standards | MT | 1637.59 | USD | 20251108 |
| Qingdao Shengze Chem | China national standards | MT | 1651.7 | USD | 20251108 |
| Shandong Xingpeng Chem | China national standards | MT | 1764.64 | USD | 20251108 |
| Shandong Yuanhe Chem | China national standards | MT | 1270.54 | USD | 20251108 |
| Jinan Qi Mat | China national standards | MT | 1637.59 | USD | 20251108 |
| Shandong Xima | China national standards | MT | 847.03 | USD | 20251108 |
| Shandong Yuxuan Chem | China national standards | MT | 1835.23 | USD | 20251108 |
| Shandong Qiangsen Chem | China national standards | MT | 1058.78 | USD | 20251108 |