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