| Vendor | Spec | Unit | Price | Currency | Date |
| IM Yongxin Chem | China national standards | MT | 352.78 | USD | 20251113 |
| Ningxia Xingping Chem | China national standards | MT | 359.84 | USD | 20251113 |
| Wuhai Zhonglian Chem | China national standards | MT | 352.78 | USD | 20251113 |
| IM Yongxin Chem | China national standards | MT | 352.94 | USD | 20251112 |
| Shaanxi CoalChem | China national standards | MT | 360.0 | USD | 20251112 |
| Wuhai Zhonglian Chem | China national standards | MT | 352.94 | USD | 20251112 |
| Ningxia Xingping Chem | China national standards | MT | 360.0 | USD | 20251112 |
| Shaanxi CoalChem | China national standards | MT | 359.83 | USD | 20251111 |
| Wuhai Zhonglian Chem | China national standards | MT | 352.78 | USD | 20251111 |
| Ningxia Xingping Chem | China national standards | MT | 359.83 | USD | 20251111 |