| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi CoalChem | China national standards | MT | 359.88 | USD | 20251118 |
| Wuhai Zhonglian Chem | China national standards | MT | 353.03 | USD | 20251117 |
| Ningxia Xingping Chem | China national standards | MT | 360.09 | USD | 20251117 |
| IM Yongxin Chem | China national standards | MT | 353.03 | USD | 20251117 |
| Shaanxi CoalChem | China national standards | MT | 360.09 | USD | 20251117 |
| Ningxia Xingping Chem | China national standards | MT | 360.04 | USD | 20251114 |
| Wuhai Zhonglian Chem | China national standards | MT | 352.98 | USD | 20251114 |
| Shaanxi CoalChem | China national standards | MT | 360.04 | USD | 20251114 |
| IM Yongxin Chem | China national standards | MT | 352.98 | USD | 20251114 |
| Shaanxi CoalChem | China national standards | MT | 359.84 | USD | 20251113 |