| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Kunfeng Chem | Food Grade | MT | 331.22 | USD | 20251019 |
| Jinan Kunfeng Chem | China national standards | MT | 317.13 | USD | 20251018 |
| Jinan Kunfeng Chem | Food Grade | MT | 281.89 | USD | 20251017 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.13 | USD | 20251017 |
| Jinan Kunfeng Chem | Food Grade | MT | 281.82 | USD | 20251016 |
| Jinan Kunfeng Chem | Food Grade | MT | 274.77 | USD | 20251016 |
| Jinan Kunfeng Chem | Food Grade | MT | 281.71 | USD | 20251015 |
| Jinan Kunfeng Chem | Food Grade | MT | 281.61 | USD | 20251014 |
| Jinan Kunfeng Chem | Food Grade | MT | 274.57 | USD | 20251014 |
| Jinan Kunfeng Chem | Food Grade | MT | 330.89 | USD | 20251014 |