| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou ChemMat | China national standards | MT | 3777.27 | USD | 20251211 |
| Suzhou ChemMat | China national standards | MT | 3777.27 | USD | 20251211 |
| Suzhou ChemMat | China national standards | MT | 3773.69 | USD | 20251210 |
| Suzhou ChemMat | China national standards | MT | 3773.69 | USD | 20251210 |
| Suzhou ChemMat | China national standards | MT | 3772.63 | USD | 20251209 |
| Suzhou ChemMat | China national standards | MT | 3772.63 | USD | 20251209 |
| Suzhou ChemMat | China national standards | MT | 3773.1 | USD | 20251208 |
| Suzhou ChemMat | China national standards | MT | 3773.1 | USD | 20251208 |
| Suzhou ChemMat | China national standards | MT | 3774.76 | USD | 20251204 |
| Suzhou ChemMat | China national standards | MT | 3774.76 | USD | 20251204 |