| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 899.79 | USD | 20250919 |
| Jinan Jinrihe Chem | China national standards | MT | 913.85 | USD | 20250919 |
| Jinan Jinrihe Chem | China national standards | MT | 913.85 | USD | 20250919 |
| Hubei 789 Chem | China national standards | MT | 773.25 | USD | 20250919 |
| Hubei 789 Chem | China national standards | MT | 773.25 | USD | 20250919 |
| Shanghai SKY Chem | China national standards | MT | 1103.64 | USD | 20250919 |
| Shandong Jinshenrun Chem | China national standards | MT | 885.73 | USD | 20250919 |
| Shandong Jinshenrun Chem | China national standards | MT | 1054.44 | USD | 20250919 |
| WENTONG Potassium | China national standards | MT | 1012.26 | USD | 20250919 |
| Xiamen Yudeshun Chem | China national standards | MT | 1265.32 | USD | 20250919 |