| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1333.69 | USD | 20251118 |
| Shandong Junfeng | China national standards | MT | 931.99 | USD | 20251117 |
| Shandong Jinling Chem | China national standards | MT | 1059.08 | USD | 20251117 |
| Xiamen Yudeshun Chem | China national standards | MT | 1553.32 | USD | 20251117 |
| Nanjing Baitu Chem | China national standards | MT | 1482.72 | USD | 20251117 |
| Jinan Aochen Chem | China national standards | MT | 1553.32 | USD | 20251117 |
| Nanjing Baitu Chem | China national standards | MT | 1482.72 | USD | 20251117 |
| Jinan Aochen Chem | China national standards | MT | 1553.32 | USD | 20251117 |
| Shandong Junfeng | China national standards | MT | 1059.08 | USD | 20251117 |
| Xiamen Yudeshun Chem | China national standards | MT | 1680.41 | USD | 20251117 |