| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Qingdao Shengze Chem | China national standards | MT | USD | 20250602 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250531 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250530 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250529 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250528 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250527 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250526 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250525 |