| Vendor | Spec | Unit | Price | Currency | Date |
| IM Yongxin Chem | China national standards | MT | 352.78 | USD | 20251111 |
| Wuhai Zhonglian Chem | China national standards | MT | 352.83 | USD | 20251110 |
| Ningxia Xingping Chem | China national standards | MT | 359.88 | USD | 20251110 |
| IM Yongxin Chem | China national standards | MT | 352.83 | USD | 20251110 |
| Shaanxi CoalChem | China national standards | MT | 359.88 | USD | 20251110 |
| Wuhai Zhonglian Chem | China national standards | MT | 352.6 | USD | 20251105 |
| Shaanxi CoalChem | China national standards | MT | 359.66 | USD | 20251105 |
| IM Yongxin Chem | China national standards | MT | 352.6 | USD | 20251105 |
| Ningxia Xingping Chem | China national standards | MT | 359.66 | USD | 20251105 |
| Wuhai Zhonglian Chem | China national standards | MT | 352.68 | USD | 20251104 |