| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 970.08 | USD | 20250920 |
| Jinan Dezheng Chem | China national standards | MT | 970.08 | USD | 20250920 |
| Wuhan Hengjiu Chem | China national standards | MT | 1124.73 | USD | 20250920 |
| Wuhan Hengjiu Chem | China national standards | MT | 1124.73 | USD | 20250920 |
| Shandong Jinshenrun Chem | China national standards | MT | 998.2 | USD | 20250920 |
| Shandong Jinshenrun Chem | China national standards | MT | 1012.26 | USD | 20250920 |
| Shandong Zhenkun | China national standards | MT | 1075.53 | USD | 20250920 |
| Shandong Yushuo Chem | China national standards | MT | 984.14 | USD | 20250920 |
| Jinan Dezheng Chem | China national standards | MT | 970.08 | USD | 20250920 |
| Shandong Shuojia Chem | China national standards | MT | 984.14 | USD | 20250920 |