| Vendor | Spec | Unit | Price | Currency | Date |
| GuangZhan Chem | China national standards | MT | 268.08 | USD | 20251122 |
| GuangZhan Chem | China national standards | MT | 268.09 | USD | 20251119 |
| GuangZhan Chem | Food Grade | MT | 282.2 | USD | 20251119 |
| GuangZhan Chem | China national standards | MT | 253.98 | USD | 20251119 |
| GuangZhan Chem | China national standards | MT | 268.15 | USD | 20251118 |
| GuangZhan Chem | China national standards | MT | 254.04 | USD | 20251118 |
| GuangZhan Chem | Food Grade | MT | 282.26 | USD | 20251118 |
| GuangZhan Chem | Food Grade | MT | 282.42 | USD | 20251117 |
| GuangZhan Chem | China national standards | MT | 268.3 | USD | 20251117 |
| GuangZhan Chem | China national standards | MT | 254.18 | USD | 20251117 |