| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chem | Industrial Grade | MT | 281.89 | USD | 20251017 |
| Jinan Jinhao Chem | Industrial Grade | MT | 281.82 | USD | 20251016 |
| Jinan Jinhao Chem | Industrial Grade | MT | 281.82 | USD | 20251016 |
| Jinan Jinhao Chem | Industrial Grade | MT | 281.71 | USD | 20251015 |
| Jinan Jinhao Chem | Industrial Grade | MT | 281.71 | USD | 20251015 |
| Jinan Jinhao Chem | Industrial Grade | MT | 281.61 | USD | 20251014 |
| Jinan Jinhao Chem | Industrial Grade | MT | 281.61 | USD | 20251014 |
| Jinan Jinhao Chem | Industrial Grade | MT | 281.66 | USD | 20251013 |
| Jinan Jinhao Chem | Industrial Grade | MT | 281.66 | USD | 20251013 |
| Jinan Jinhao Chem | China national standards | MT | 281.5 | USD | 20251011 |