| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1012.26 | USD | 20250920 |
| Shandong Jinling Chem | China national standards | MT | 1012.26 | USD | 20250920 |
| Hangjin Tech | China national standards | MT | 1012.26 | USD | 20250920 |
| Jinan Dezheng Chem | China national standards | MT | 1012.26 | USD | 20250920 |
| Dongying HuataiChem | China national standards | MT | 1012.26 | USD | 20250920 |
| Shandong Jinling Chem | China national standards | MT | 1012.26 | USD | 20250920 |
| Wudi Xinyue Chem | China national standards | MT | 984.14 | USD | 20250920 |
| Shandong Langchem | China national standards | MT | 1195.03 | USD | 20250920 |
| Wanhua Chem | China national standards | MT | 1335.62 | USD | 20250920 |
| Shandong Langchem | China national standards | MT | 1173.94 | USD | 20250920 |