| Vendor | Spec | Unit | Price | Currency | Date |
| Changshu ChemLight | China national standards | MT | 138.31 | USD | 20251028 |
| Changshu ChemLight | China national standards | MT | 126.97 | USD | 20251027 |
| Changshu ChemLight | China national standards | MT | 124.15 | USD | 20251027 |
| Changshu ChemLight | China national standards | MT | 124.07 | USD | 20251024 |
| Changshu ChemLight | China national standards | MT | 126.89 | USD | 20251024 |