| Vendor | Spec | Unit | Price | Currency | Date |
| Ningxia Xingping Chem | China national standards | MT | 365.41 | USD | 20250928 |
| IM Yongxin Chem | China national standards | MT | 358.39 | USD | 20250928 |
| Wuhai Zhonglian Chem | China national standards | MT | 379.47 | USD | 20250926 |
| IM Yongxin Chem | China national standards | MT | 351.36 | USD | 20250926 |
| Shaanxi CoalChem | China national standards | MT | 359.79 | USD | 20250926 |
| Fugu Aoweiga Energy | China national standards | MT | 369.63 | USD | 20250926 |
| Ningxia Xingping Chem | China national standards | MT | 365.41 | USD | 20250926 |
| Ningxia Xingping Chem | China national standards | MT | 365.9 | USD | 20250925 |
| Wuhai Zhonglian Chem | China national standards | MT | 379.98 | USD | 20250925 |
| Fugu Aoweiga Energy | China national standards | MT | 368.72 | USD | 20250925 |