| Vendor | Spec | Unit | Price | Currency | Date |
| GuangZhan Chem | China national standards | MT | 190.12 | USD | 20251013 |
| GuangZhan Chem | China national standards | MT | 190.12 | USD | 20251013 |
| GuangZhan Chem | China national standards | MT | 190.01 | USD | 20251011 |
| GuangZhan Chem | China national standards | MT | 190.01 | USD | 20251011 |
| GuangZhan Chem | China national standards | MT | 204.09 | USD | 20251011 |
| GuangZhan Chem | China national standards | MT | 189.87 | USD | 20251009 |
| GuangZhan Chem | China national standards | MT | 189.87 | USD | 20251009 |
| GuangZhan Chem | China national standards | MT | 189.9 | USD | 20250929 |
| GuangZhan Chem | China national standards | MT | 189.9 | USD | 20250929 |
| GuangZhan Chem | China national standards | MT | 189.86 | USD | 20250922 |