| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Kunfeng Chem | Food Grade | MT | 268.79 | USD | 20251211 |
| Jinan Kunfeng Chem | Food Grade | MT | 268.54 | USD | 20251210 |
| Jinan Kunfeng Chem | Food Grade | MT | 318.01 | USD | 20251210 |
| Jinan Kunfeng Chem | Food Grade | MT | 268.46 | USD | 20251209 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.92 | USD | 20251209 |
| Jinan Kunfeng Chem | Food Grade | MT | 268.5 | USD | 20251208 |
| Jinan Kunfeng Chem | China national standards | MT | 318.03 | USD | 20251205 |
| Jinan Kunfeng Chem | Food Grade | MT | 268.56 | USD | 20251205 |
| Jinan Kunfeng Chem | Food Grade | MT | 332.24 | USD | 20251204 |
| Jinan Kunfeng Chem | Food Grade | MT | 268.62 | USD | 20251204 |