| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 1435.51 | USD | 20251007 |
| Shandong Xingpeng Chem | China national standards | MT | 1829.57 | USD | 20251007 |
| Jinan Xinhou | China national standards | MT | 1154.04 | USD | 20251006 |
| Shandong Jinshenrun Chem | China national standards | MT | 1336.99 | USD | 20251006 |
| Shandong Jinshenrun Chem | China national standards | MT | 1336.99 | USD | 20251006 |
| Shandong Xingpeng Chem | China national standards | MT | 1829.57 | USD | 20251006 |
| Jiangsu Yingte Chem | China national standards | MT | 1139.96 | USD | 20251006 |
| Shandong Jinshenrun Chem | China national standards | MT | 1336.99 | USD | 20251005 |
| Shandong Xingpeng Chem | China national standards | MT | 1829.57 | USD | 20251005 |
| Jinan Dezheng Chem | China national standards | MT | 1435.51 | USD | 20251005 |