| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1046.19 | USD | 20251204 |
| Liaocheng Yuanze Chem | China national standards | MT | 876.54 | USD | 20251204 |
| Shandong Yuxuan Chem | China national standards | MT | 1024.98 | USD | 20251204 |
| Shandong Jinshenrun Chem | China national standards | MT | 904.81 | USD | 20251204 |
| Nantong Zhonghe Chem | China national standards | MT | 1122.53 | USD | 20251204 |
| Shandong Shuojia Chem | China national standards | MT | 890.67 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 1102.74 | USD | 20251204 |
| Wuhan Hengjiu Chem | China national standards | MT | 918.95 | USD | 20251204 |
| Shandong Jinshenrun Chem | China national standards | MT | 862.4 | USD | 20251204 |
| Shandong Yushuo Chem | China national standards | MT | 975.5 | USD | 20251204 |