| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 733.88 | USD | 20251028 |
| Qingdao Shengze Chem | China national standards | MT | 733.62 | USD | 20251027 |
| Qingdao Shengze Chem | China national standards | MT | 733.62 | USD | 20251027 |
| Qingdao Shengze Chem | China national standards | MT | 768.38 | USD | 20251026 |
| Qingdao Shengze Chem | China national standards | MT | 768.38 | USD | 20251026 |
| Qingdao Shengze Chem | China national standards | MT | 768.38 | USD | 20251024 |
| Qingdao Shengze Chem | China national standards | MT | 768.38 | USD | 20251024 |
| Qingdao Shengze Chem | China national standards | MT | 768.49 | USD | 20251023 |
| Qingdao Shengze Chem | China national standards | MT | 768.49 | USD | 20251023 |
| Qingdao Shengze Chem | China national standards | MT | 768.49 | USD | 20251023 |