| Vendor | Spec | Unit | Price | Currency | Date |
| Ningxia Xingping Chem | China national standards | MT | 359.52 | USD | 20251024 |
| IM Yongxin Chem | China national standards | MT | 352.47 | USD | 20251024 |
| Shaanxi CoalChem | China national standards | MT | 359.52 | USD | 20251024 |
| IM Yongxin Chem | China national standards | MT | 352.52 | USD | 20251023 |
| Ningxia Xingping Chem | China national standards | MT | 359.57 | USD | 20251023 |
| Wuhai Zhonglian Chem | China national standards | MT | 352.52 | USD | 20251023 |
| Shaanxi CoalChem | China national standards | MT | 359.57 | USD | 20251023 |
| Wuhai Zhonglian Chem | China national standards | MT | 352.34 | USD | 20251022 |
| Shaanxi CoalChem | China national standards | MT | 359.39 | USD | 20251022 |
| IM Yongxin Chem | China national standards | MT | 352.34 | USD | 20251022 |