| Vendor | Spec | Unit | Price | Currency | Date |
| GuangZhan Chem | Food Grade | MT | 281.34 | USD | 20250929 |
| GuangZhan Chem | China national standards | MT | 267.21 | USD | 20250922 |
| GuangZhan Chem | China national standards | MT | 281.27 | USD | 20250922 |
| GuangZhan Chem | China national standards | MT | 253.14 | USD | 20250922 |