| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Kunfeng Chem | Food Grade | MT | 317.44 | USD | 20251031 |
| Jinan Kunfeng Chem | Food Grade | MT | 331.62 | USD | 20251030 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.51 | USD | 20251030 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.6 | USD | 20251029 |
| Jinan Kunfeng Chem | Food Grade | MT | 282.31 | USD | 20251029 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.55 | USD | 20251028 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.55 | USD | 20251028 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.43 | USD | 20251027 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.22 | USD | 20251025 |
| Jinan Kunfeng Chem | China national standards | MT | 281.98 | USD | 20251024 |