| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chem | China national standards | MT | 12276.86 | USD | 20251106 |
| Henan Leavit Chem | China national standards | MT | 12270.63 | USD | 20251105 |
| Henan Leavit Chem | China national standards | MT | 12273.4 | USD | 20251104 |
| Henan Leavit Chem | China national standards | MT | 12276.52 | USD | 20251103 |
| Henan Leavit Chem | China national standards | MT | 12274.27 | USD | 20251031 |
| Henan Leavit Chem | China national standards | MT | 12277.04 | USD | 20251030 |
| Henan Leavit Chem | China national standards | MT | 12278.42 | USD | 20251028 |
| Henan Leavit Chem | China national standards | MT | 12274.09 | USD | 20251027 |
| Henan Leavit Chem | China national standards | MT | 12265.96 | USD | 20251024 |
| Henan Leavit Chem | China national standards | MT | 12267.69 | USD | 20251023 |