| Vendor | Spec | Unit | Price | Currency | Date |
| GuangZhan Chem | China national standards | MT | 268.4 | USD | 20251130 |
| GuangZhan Chem | China national standards | MT | 254.28 | USD | 20251130 |
| GuangZhan Chem | China national standards | MT | 268.4 | USD | 20251128 |
| GuangZhan Chem | Food Grade | MT | 282.53 | USD | 20251128 |
| GuangZhan Chem | China national standards | MT | 254.28 | USD | 20251128 |
| GuangZhan Chem | Food Grade | MT | 282.5 | USD | 20251126 |
| GuangZhan Chem | China national standards | MT | 254.25 | USD | 20251126 |
| GuangZhan Chem | China national standards | MT | 268.38 | USD | 20251126 |
| GuangZhan Chem | Food Grade | MT | 282.19 | USD | 20251122 |
| GuangZhan Chem | China national standards | MT | 268.08 | USD | 20251122 |