| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chem | China national standards | MT | 12290.05 | USD | 20251129 |
| Henan Leavit Chem | China national standards | MT | 12290.05 | USD | 20251128 |
| Henan Leavit Chem | China national standards | MT | 12291.78 | USD | 20251127 |
| Henan Leavit Chem | China national standards | MT | 12288.83 | USD | 20251126 |
| Henan Leavit Chem | China national standards | MT | 12283.62 | USD | 20251125 |
| Henan Leavit Chem | China national standards | MT | 12279.98 | USD | 20251124 |
| Henan Leavit Chem | China national standards | MT | 12275.13 | USD | 20251121 |
| Henan Leavit Chem | China national standards | MT | 12269.94 | USD | 20251120 |
| Henan Leavit Chem | China national standards | MT | 12275.65 | USD | 20251119 |
| Henan Leavit Chem | China national standards | MT | 12278.42 | USD | 20251118 |