| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Longhui Chem | Food Grade | MT | 302.38 | USD | 20251009 |
| Shandong Longhui Chem | Food Grade | MT | 302.58 | USD | 20251008 |
| Shandong Longhui Chem | Food Grade | MT | 302.58 | USD | 20251007 |
| Shandong Longhui Chem | Food Grade | MT | 302.58 | USD | 20250930 |
| Shandong Longhui Chem | Food Grade | MT | 302.57 | USD | 20250925 |
| Shandong Longhui Chem | Food Grade | MT | 302.57 | USD | 20250924 |
| Shandong Longhui Chem | Food Grade | MT | 302.57 | USD | 20250923 |
| Shandong Longhui Chem | China national standards | MT | 302.37 | USD | 20250922 |
| Shandong Longhui Chem | China national standards | MT | 302.27 | USD | 20250920 |
| Shandong Longhui Chem | China national standards | MT | 302.27 | USD | 20250919 |