| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou ChemMat | China national standards | MT | 773.73 | USD | 20251125 |
| Suzhou ChemMat | China national standards | MT | 784.79 | USD | 20251124 |
| Suzhou ChemMat | China national standards | MT | 790.12 | USD | 20251121 |
| Suzhou ChemMat | China national standards | MT | 789.79 | USD | 20251120 |
| Suzhou ChemMat | China national standards | MT | 786.55 | USD | 20251117 |
| Suzhou ChemMat | China national standards | MT | 771.89 | USD | 20251113 |
| Suzhou ChemMat | China national standards | MT | 776.11 | USD | 20251111 |
| Suzhou ChemMat | China national standards | MT | 780.46 | USD | 20251110 |
| Suzhou ChemMat | China national standards | MT | 780.68 | USD | 20251107 |
| Suzhou ChemMat | China national standards | MT | 771.67 | USD | 20251104 |