| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Kunfeng Chem | Food Grade | MT | 317.68 | USD | 20251114 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.51 | USD | 20251113 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.5 | USD | 20251111 |
| Jinan Kunfeng Chem | Food Grade | MT | 282.22 | USD | 20251111 |
| Jinan Kunfeng Chem | Food Grade | MT | 331.61 | USD | 20251111 |
| Jinan Kunfeng Chem | Food Grade | MT | 282.26 | USD | 20251110 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.55 | USD | 20251110 |
| Jinan Kunfeng Chem | China national standards | MT | 282.34 | USD | 20251107 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.64 | USD | 20251107 |
| Jinan Kunfeng Chem | Food Grade | MT | 331.62 | USD | 20251106 |