| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 969.75 | USD | 20250927 |
| Shandong Yushuo Chem | China national standards | MT | 969.75 | USD | 20250927 |
| Shandong Shuojia Chem | China national standards | MT | 969.75 | USD | 20250927 |
| Shandong Shuojia Chem | China national standards | MT | 969.75 | USD | 20250927 |
| Shandong Shuojia Chem | China national standards | MT | 969.75 | USD | 20250927 |
| Shandong Shuojia Chem | China national standards | MT | 969.75 | USD | 20250927 |
| Shandong Yihe Chem | China national standards | MT | 983.81 | USD | 20250927 |
| Shandong Yihe Chem | China national standards | MT | 997.86 | USD | 20250927 |
| Shandong Yuxuan Chem | China national standards | MT | 1004.89 | USD | 20250927 |
| Liaocheng Yuanze Chem | China national standards | MT | 1033.0 | USD | 20250927 |