| Vendor | Spec | Unit | Price | Currency | Date |
| GuangZhan Chem | Food Grade | MT | 281.66 | USD | 20251013 |
| GuangZhan Chem | China national standards | MT | 253.5 | USD | 20251013 |
| GuangZhan Chem | China national standards | MT | 281.5 | USD | 20251011 |
| GuangZhan Chem | China national standards | MT | 253.35 | USD | 20251011 |
| GuangZhan Chem | China national standards | MT | 267.42 | USD | 20251011 |
| GuangZhan Chem | China national standards | MT | 267.22 | USD | 20251009 |
| GuangZhan Chem | Food Grade | MT | 281.29 | USD | 20251009 |
| GuangZhan Chem | China national standards | MT | 253.16 | USD | 20251009 |
| GuangZhan Chem | China national standards | MT | 267.27 | USD | 20250929 |
| GuangZhan Chem | China national standards | MT | 253.2 | USD | 20250929 |