| Vendor | Spec | Unit | Price | Currency | Date |
| ZJ Dayang Biotech | China national standards | MT | 1126.0 | USD | 20251011 |
| WENTONG Potassium | China national standards | MT | 1126.0 | USD | 20251011 |
| Jinan Aochen Chem | China national standards | MT | 1126.0 | USD | 20251011 |
| Jinan Aochen Chem | China national standards | MT | 1126.0 | USD | 20251011 |
| Jinan Aochen Chem | China national standards | MT | 1126.0 | USD | 20251011 |
| Jinan Aochen Chem | China national standards | MT | 1097.85 | USD | 20251011 |
| Jinan Jinhao Chem | China national standards | MT | 1013.4 | USD | 20251011 |
| Jinan Jinhao Chem | China national standards | MT | 1027.47 | USD | 20251011 |
| WENTONG Potassium | China national standards | MT | 1097.85 | USD | 20251011 |
| Shandong Longhui Chem | China national standards | MT | 1041.55 | USD | 20251011 |