| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | Industrial Grade | MT | 846.49 | USD | 20251027 |
| Qingdao Shengze Chem | Industrial Grade | MT | 845.93 | USD | 20251026 |
| Qingdao Shengze Chem | China national standards | MT | 845.93 | USD | 20251026 |
| Qingdao Shengze Chem | China national standards | MT | 845.93 | USD | 20251025 |
| Qingdao Shengze Chem | Industrial Grade | MT | 845.93 | USD | 20251025 |
| Qingdao Shengze Chem | Industrial Grade | MT | 845.93 | USD | 20251025 |
| Qingdao Shengze Chem | Industrial Grade | MT | 845.93 | USD | 20251025 |
| Qingdao Shengze Chem | Industrial Grade | MT | 845.93 | USD | 20251025 |
| Qingdao Shengze Chem | Industrial Grade | MT | 845.93 | USD | 20251024 |
| Qingdao Shengze Chem | China national standards | MT | 845.93 | USD | 20251024 |