| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou ChemMat | China national standards | MT | 3771.51 | USD | 20251202 |
| Suzhou ChemMat | China national standards | MT | 3771.51 | USD | 20251202 |
| Suzhou ChemMat | China national standards | MT | 3815.77 | USD | 20251201 |
| Suzhou ChemMat | China national standards | MT | 3773.37 | USD | 20251201 |
| Suzhou ChemMat | China national standards | MT | 3814.69 | USD | 20251127 |
| Suzhou ChemMat | China national standards | MT | 3772.31 | USD | 20251127 |
| Suzhou ChemMat | China national standards | MT | 3813.77 | USD | 20251126 |
| Suzhou ChemMat | China national standards | MT | 3771.4 | USD | 20251126 |
| Suzhou ChemMat | China national standards | MT | 3769.8 | USD | 20251125 |
| Suzhou ChemMat | China national standards | MT | 3812.16 | USD | 20251125 |