| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou ChemMat | China national standards | MT | 3808.99 | USD | 20251104 |
| Suzhou ChemMat | China national standards | MT | 3766.66 | USD | 20251104 |
| Suzhou ChemMat | China national standards | MT | 3767.62 | USD | 20251103 |
| Suzhou ChemMat | China national standards | MT | 3809.95 | USD | 20251103 |
| Suzhou ChemMat | China national standards | MT | 3809.26 | USD | 20251031 |
| Suzhou ChemMat | China national standards | MT | 3766.93 | USD | 20251031 |
| Suzhou ChemMat | China national standards | MT | 3810.12 | USD | 20251030 |
| Suzhou ChemMat | China national standards | MT | 3767.78 | USD | 20251030 |
| Suzhou ChemMat | China national standards | MT | 3768.9 | USD | 20251029 |
| Suzhou ChemMat | China national standards | MT | 3811.24 | USD | 20251029 |