| Vendor | Spec | Unit | Price | Currency | Date |
| Chengdu Rongjiaxin Chem | China national standards | MT | 338.72 | USD | 20251110 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 338.81 | USD | 20251107 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 338.81 | USD | 20251107 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 338.67 | USD | 20251106 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 338.5 | USD | 20251105 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 338.58 | USD | 20251104 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 338.66 | USD | 20251103 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 338.6 | USD | 20251101 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 338.6 | USD | 20251031 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 338.68 | USD | 20251030 |