| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 1000.3 | USD | 20251127 |
| Aite Zhejiang | China national standards | MT | 1384.59 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 1264.5 | USD | 20251127 |
| Xiamen Yudeshun Chem | China national standards | MT | 1681.29 | USD | 20251127 |
| Shandong Hongyang Chem | China national standards | MT | 1434.04 | USD | 20251127 |
| Aite Zhejiang | China national standards | MT | 1299.82 | USD | 20251127 |
| Jinan Aochen Chem | China national standards | MT | 1554.13 | USD | 20251127 |
| Shandong Junfeng | China national standards | MT | 1059.64 | USD | 20251127 |
| Shandong Xingpeng Chem | China national standards | MT | 1116.15 | USD | 20251127 |
| Shandong Yeyang Chem | China national standards | MT | 1116.15 | USD | 20251127 |