| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 1003.12 | USD | 20251127 |
| Aite Zhejiang | China national standards | MT | 1031.38 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 1102.02 | USD | 20251127 |
| Shandong Yihe Chem | China national standards | MT | 819.45 | USD | 20251127 |
| Jinan Angxin Chem | China national standards | MT | 890.09 | USD | 20251127 |
| Aite Zhejiang | China national standards | MT | 1073.76 | USD | 20251127 |
| Jinan Angxin Chem | China national standards | MT | 890.09 | USD | 20251127 |
| Aite Zhejiang | China national standards | MT | 1031.38 | USD | 20251127 |
| Shandong Zhiheng | China national standards | MT | 1257.44 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 1080.83 | USD | 20251127 |