| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi CoalChem | China national standards | MT | 359.74 | USD | 20251104 |
| Ningxia Xingping Chem | China national standards | MT | 359.74 | USD | 20251104 |
| Ningxia Xingping Chem | China national standards | MT | 359.83 | USD | 20251103 |
| Wuhai Zhonglian Chem | China national standards | MT | 352.77 | USD | 20251103 |
| Shaanxi CoalChem | China national standards | MT | 359.83 | USD | 20251103 |
| IM Yongxin Chem | China national standards | MT | 352.77 | USD | 20251103 |
| Shaanxi CoalChem | China national standards | MT | 359.84 | USD | 20251030 |
| Wuhai Zhonglian Chem | China national standards | MT | 352.79 | USD | 20251030 |
| IM Yongxin Chem | China national standards | MT | 352.79 | USD | 20251030 |
| Ningxia Xingping Chem | China national standards | MT | 359.84 | USD | 20251030 |