| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Kunfeng Chem | Food Grade | MT | 331.62 | USD | 20251106 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.51 | USD | 20251106 |
| Jinan Kunfeng Chem | China national standards | MT | 282.08 | USD | 20251105 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.34 | USD | 20251105 |
| Jinan Kunfeng Chem | Food Grade | MT | 282.15 | USD | 20251104 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.42 | USD | 20251104 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.5 | USD | 20251103 |
| Jinan Kunfeng Chem | Food Grade | MT | 282.22 | USD | 20251103 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.44 | USD | 20251101 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.44 | USD | 20251031 |