| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 871.67 | USD | 20250920 |
| Shandong Xima | China national standards | MT | 871.67 | USD | 20250920 |
| Shandong Huize Chem | China national standards | MT | 899.79 | USD | 20250919 |
| Shandong Xima | China national standards | MT | 871.67 | USD | 20250919 |
| Jinan Aochen Chem | China national standards | MT | 1096.61 | USD | 20250919 |
| Jinan Aochen Chem | China national standards | MT | 1124.73 | USD | 20250919 |
| Jinan Aochen Chem | China national standards | MT | 1124.73 | USD | 20250919 |
| Jinan Aochen Chem | China national standards | MT | 1124.73 | USD | 20250919 |
| WENTONG Potassium | China national standards | MT | 1124.73 | USD | 20250919 |
| Shandong Zhongke Taihua | China national standards | MT | 913.85 | USD | 20250919 |