| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou ChemMat | China national standards | MT | 3810.55 | USD | 20251028 |
| Suzhou ChemMat | China national standards | MT | 3768.21 | USD | 20251028 |
| Suzhou ChemMat | China national standards | MT | 3764.38 | USD | 20251024 |
| Suzhou ChemMat | China national standards | MT | 3806.68 | USD | 20251024 |
| Suzhou ChemMat | China national standards | MT | 3807.21 | USD | 20251023 |
| Suzhou ChemMat | China national standards | MT | 3764.91 | USD | 20251023 |
| Suzhou ChemMat | China national standards | MT | 3763.0 | USD | 20251022 |
| Suzhou ChemMat | China national standards | MT | 3805.28 | USD | 20251022 |
| Suzhou ChemMat | China national standards | MT | 3806.57 | USD | 20251021 |
| Suzhou ChemMat | China national standards | MT | 3764.27 | USD | 20251021 |