| Vendor | Spec | Unit | Price | Currency | Date |
| Hangjin Tech | China national standards | MT | 1013.27 | USD | 20250925 |
| Shandong Jinling Chem | China national standards | MT | 1336.95 | USD | 20250925 |
| Qingdao Chengxin Chem | China national standards | MT | 1069.56 | USD | 20250925 |
| Shandong Yuxuan Chem | China national standards | MT | 1294.74 | USD | 20250925 |
| Jinan Dezheng Chem | China national standards | MT | 985.12 | USD | 20250925 |
| Shandong Jinling Chem | China national standards | MT | 1013.27 | USD | 20250925 |
| Dongying HuataiChem | China national standards | MT | 1013.27 | USD | 20250925 |
| Jinan Dezheng Chem | China national standards | MT | 1013.27 | USD | 20250925 |
| Shandong Jiaen Chem | China national standards | MT | 1177.93 | USD | 20250925 |
| Dongying Huatai Chem | China national standards | MT | 1210.3 | USD | 20250925 |