| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | China national standards | MT | 1097.02 | USD | 20251009 |
| Baozhen Shandong Chem | China national standards | MT | 998.57 | USD | 20251009 |
| Hunan Lixin Tech | China national standards | MT | 1068.89 | USD | 20251009 |
| WENTONG Potassium | China national standards | MT | 1125.14 | USD | 20251009 |
| Jinan Aochen Chem | China national standards | MT | 1125.14 | USD | 20251009 |
| Jinan Aochen Chem | China national standards | MT | 1125.14 | USD | 20251009 |
| Jinan Aochen Chem | China national standards | MT | 1125.14 | USD | 20251009 |
| Jinan Aochen Chem | China national standards | MT | 1097.02 | USD | 20251009 |
| UniTrend China | China national standards | MT | 1104.05 | USD | 20251009 |
| Jinan Angxin Chem | China national standards | MT | 998.57 | USD | 20251009 |