| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou ChemMat | China national standards | MT | 771.93 | USD | 20251216 |
| Suzhou ChemMat | China national standards | MT | 771.02 | USD | 20251211 |
| Suzhou ChemMat | China national standards | MT | 770.29 | USD | 20251210 |
| Suzhou ChemMat | China national standards | MT | 774.31 | USD | 20251209 |
| Suzhou ChemMat | China national standards | MT | 774.31 | USD | 20251209 |
| Suzhou ChemMat | China national standards | MT | 774.41 | USD | 20251208 |
| Suzhou ChemMat | China national standards | MT | 777.29 | USD | 20251201 |
| Suzhou ChemMat | China national standards | MT | 771.42 | USD | 20251127 |
| Suzhou ChemMat | China national standards | MT | 774.06 | USD | 20251126 |
| Suzhou ChemMat | China national standards | MT | 774.06 | USD | 20251126 |