| Vendor | Spec | Unit | Price | Currency | Date |
| Ningxia Xingping Chem | China national standards | MT | 366.16 | USD | 20251013 |
| Shaanxi CoalChem | China national standards | MT | 360.32 | USD | 20251011 |
| Wuhai Zhonglian Chem | China national standards | MT | 351.87 | USD | 20251011 |
| Ningxia Xingping Chem | China national standards | MT | 365.95 | USD | 20251011 |
| IM Yongxin Chem | China national standards | MT | 351.87 | USD | 20251011 |
| Fugu Aoweiga Energy | China national standards | MT | 370.17 | USD | 20251011 |
| Fugu Aoweiga Energy | China national standards | MT | 370.17 | USD | 20251010 |
| Ningxia Xingping Chem | China national standards | MT | 365.95 | USD | 20251010 |
| Wuhai Zhonglian Chem | China national standards | MT | 351.87 | USD | 20251010 |
| Shaanxi CoalChem | China national standards | MT | 360.32 | USD | 20251010 |