| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Meiao Potassium | Industrial Grade | MT | 755.85 | USD | 20260114 |
| Hunan Meiao Potassium | Industrial Grade | MT | 755.85 | USD | 20260114 |
| Hunan Meiao Potassium | China national standards | MT | 753.58 | USD | 20251229 |
| Hunan Meiao Potassium | China national standards | MT | 753.58 | USD | 20251229 |