| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 233.22 | USD | 20251206 |
| Qingdao Shengze Chem | China national standards | MT | 233.22 | USD | 20251206 |
| Qingdao Shengze Chem | China national standards | MT | 233.22 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 233.22 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 233.27 | USD | 20251204 |
| Qingdao Shengze Chem | China national standards | MT | 233.27 | USD | 20251204 |
| Qingdao Shengze Chem | China national standards | MT | 233.2 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 233.2 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 233.07 | USD | 20251202 |
| Qingdao Shengze Chem | China national standards | MT | 233.07 | USD | 20251202 |