| Vendor | Spec | Unit | Price | Currency | Date |
| Ningxia Xingping Chem | China national standards | MT | 359.64 | USD | 20251120 |
| Wuhai Zhonglian Chem | China national standards | MT | 352.58 | USD | 20251120 |
| Shaanxi CoalChem | China national standards | MT | 359.64 | USD | 20251120 |
| Shaanxi CoalChem | China national standards | MT | 359.8 | USD | 20251119 |
| IM Yongxin Chem | China national standards | MT | 352.75 | USD | 20251119 |
| Ningxia Xingping Chem | China national standards | MT | 359.8 | USD | 20251119 |
| Wuhai Zhonglian Chem | China national standards | MT | 352.75 | USD | 20251119 |
| IM Yongxin Chem | China national standards | MT | 352.83 | USD | 20251118 |
| Ningxia Xingping Chem | China national standards | MT | 359.88 | USD | 20251118 |
| Wuhai Zhonglian Chem | China national standards | MT | 352.83 | USD | 20251118 |