| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Longhui Chem | Food Grade | MT | 304.16 | USD | 20251211 |
| Shandong Longhui Chem | Food Grade | MT | 303.87 | USD | 20251210 |
| Shandong Longhui Chem | Food Grade | MT | 303.89 | USD | 20251206 |
| Shandong Longhui Chem | China national standards | MT | 303.89 | USD | 20251205 |
| Shandong Longhui Chem | Food Grade | MT | 303.96 | USD | 20251204 |
| Shandong Longhui Chem | China national standards | MT | 303.87 | USD | 20251203 |
| Shandong Longhui Chem | Food Grade | MT | 303.7 | USD | 20251202 |
| Shandong Longhui Chem | Food Grade | MT | 303.85 | USD | 20251201 |
| Shandong Longhui Chem | Food Grade | MT | 303.72 | USD | 20251128 |
| Shandong Longhui Chem | Food Grade | MT | 303.76 | USD | 20251127 |