| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Yingte Chem | China national standards | MT | 1139.96 | USD | 20251004 |
| Qingdao Shengze Chem | China national standards | MT | 1463.65 | USD | 20251004 |
| Qingdao Shengze Chem | China national standards | MT | 1463.65 | USD | 20251004 |
| Shandong Jinshenrun Chem | China national standards | MT | 1336.99 | USD | 20251003 |
| Shandong Xingpeng Chem | China national standards | MT | 1829.57 | USD | 20251003 |
| Jiangsu Yingte Chem | China national standards | MT | 1139.96 | USD | 20251003 |
| Jiangsu Yingte Chem | China national standards | MT | 1139.96 | USD | 20251002 |
| Shandong Jinshenrun Chem | China national standards | MT | 1336.99 | USD | 20251002 |
| Jiangsu Yingte Chem | China national standards | MT | 1139.96 | USD | 20251001 |
| Shandong Jinshenrun Chem | China national standards | MT | 1336.99 | USD | 20251001 |