| Vendor | Spec | Unit | Price | Currency | Date |
| Fugu Aoweiga Energy | China national standards | MT | 368.72 | USD | 20250923 |
| Shaanxi CoalChem | China national standards | MT | 351.83 | USD | 20250923 |
| Fugu Aoweiga Energy | China national standards | MT | 368.46 | USD | 20250922 |
| Shaanxi CoalChem | China national standards | MT | 351.59 | USD | 20250922 |
| Ningxia Xingping Chem | China national standards | MT | 365.65 | USD | 20250922 |
| Wuhai Zhonglian Chem | China national standards | MT | 379.71 | USD | 20250922 |
| IM Yongxin Chem | China national standards | MT | 351.59 | USD | 20250922 |
| Shaanxi CoalChem | China national standards | MT | 344.45 | USD | 20250919 |
| Ningxia Xingping Chem | China national standards | MT | 365.54 | USD | 20250919 |
| Fugu Aoweiga Energy | China national standards | MT | 362.73 | USD | 20250919 |