| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhai Zhonglian Chem | China national standards | MT | 352.89 | USD | 20251029 |
| Ningxia Xingping Chem | China national standards | MT | 359.95 | USD | 20251029 |
| IM Yongxin Chem | China national standards | MT | 352.89 | USD | 20251029 |
| Shaanxi CoalChem | China national standards | MT | 359.95 | USD | 20251029 |
| Wuhai Zhonglian Chem | China national standards | MT | 352.83 | USD | 20251028 |
| Shaanxi CoalChem | China national standards | MT | 359.88 | USD | 20251028 |
| IM Yongxin Chem | China national standards | MT | 352.83 | USD | 20251028 |
| Ningxia Xingping Chem | China national standards | MT | 359.88 | USD | 20251028 |
| Shaanxi CoalChem | China national standards | MT | 359.76 | USD | 20251027 |
| Wuhai Zhonglian Chem | China national standards | MT | 352.47 | USD | 20251024 |