| Vendor | Spec | Unit | Price | Currency | Date |
| GuangZhan Chem | China national standards | MT | 268.06 | USD | 20251031 |
| GuangZhan Chem | Food Grade | MT | 282.17 | USD | 20251031 |
| GuangZhan Chem | China national standards | MT | 253.95 | USD | 20251031 |
| GuangZhan Chem | Food Grade | MT | 282.23 | USD | 20251030 |
| GuangZhan Chem | China national standards | MT | 268.12 | USD | 20251030 |
| GuangZhan Chem | China national standards | MT | 254.01 | USD | 20251030 |
| GuangZhan Chem | China national standards | MT | 253.95 | USD | 20251027 |
| GuangZhan Chem | China national standards | MT | 281.98 | USD | 20251024 |
| GuangZhan Chem | China national standards | MT | 253.78 | USD | 20251024 |
| GuangZhan Chem | China national standards | MT | 267.88 | USD | 20251024 |