| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1650.68 | USD | 20251102 |
| Shandong Jinshenrun Chem | China national standards | MT | 1580.14 | USD | 20251102 |
| Shandong Xingpeng Chem | China national standards | MT | 1763.54 | USD | 20251102 |
| Jinan Qi Mat | China national standards | MT | 1636.57 | USD | 20251102 |
| Jiangsu Yingte Chem | China national standards | MT | 1142.78 | USD | 20251102 |
| Shandong Yihe Chem | China national standards | MT | 1622.46 | USD | 20251102 |
| Qingdao Shengze Chem | China national standards | MT | 1650.68 | USD | 20251102 |
| Shandong Mingyu | China national standards | MT | 1805.87 | USD | 20251101 |
| Jinan Qi Mat | China national standards | MT | 1636.57 | USD | 20251101 |
| Wudi Xinyue Chem | China national standards | MT | 1636.57 | USD | 20251101 |