| Vendor | Spec | Unit | Price | Currency | Date |
| Fugu Aoweiga Energy | China national standards | MT | 403.23 | USD | 20260324 |
| Ningxia Yongtai Chem | China national standards | MT | 341.11 | USD | 20251226 |
| IM Yongxin Chem | China national standards | MT | 367.82 | USD | 20251211 |
| Shaanxi CoalChem | China national standards | MT | 367.82 | USD | 20251211 |
| Ningxia Xingping Chem | China national standards | MT | 367.82 | USD | 20251211 |
| Wuhai Zhonglian Chem | China national standards | MT | 374.9 | USD | 20251211 |
| IM Yongxin Chem | China national standards | MT | 367.48 | USD | 20251210 |
| Ningxia Xingping Chem | China national standards | MT | 367.48 | USD | 20251210 |
| Wuhai Zhonglian Chem | China national standards | MT | 374.54 | USD | 20251210 |
| Shaanxi CoalChem | China national standards | MT | 367.48 | USD | 20251210 |