| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Longhui Chem | Food Grade | MT | 303.69 | USD | 20251126 |
| Shandong Longhui Chem | Food Grade | MT | 303.56 | USD | 20251125 |
| Shandong Longhui Chem | China national standards | MT | 303.35 | USD | 20251122 |
| Shandong Longhui Chem | Food Grade | MT | 303.35 | USD | 20251121 |
| Shandong Longhui Chem | Food Grade | MT | 303.36 | USD | 20251119 |
| Shandong Longhui Chem | Food Grade | MT | 303.43 | USD | 20251118 |
| Shandong Longhui Chem | Food Grade | MT | 303.57 | USD | 20251115 |
| Shandong Longhui Chem | Food Grade | MT | 303.57 | USD | 20251114 |
| Shandong Longhui Chem | Food Grade | MT | 303.53 | USD | 20251112 |
| Shandong Longhui Chem | Food Grade | MT | 303.39 | USD | 20251111 |