| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Qidi Chem | Food Grade | MT | 310.45 | USD | 20251111 |
| Changzhou Qidi Chem | Industrial Grade | MT | 352.78 | USD | 20251111 |
| Changzhou Qidi Chem | Food Grade | MT | 310.55 | USD | 20251029 |
| Changzhou Qidi Chem | Food Grade | MT | 309.88 | USD | 20251015 |
| Changzhou Qidi Chem | Food Grade | MT | 309.41 | USD | 20251009 |
| Changzhou Qidi Chem | Food Grade | MT | 309.41 | USD | 20251009 |
| Changzhou Qidi Chem | China national standards | MT | 309.49 | USD | 20250918 |