| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | China national standards | MT | 1060.33 | USD | 20251204 |
| Jinan Aochen Chem | China national standards | MT | 1131.01 | USD | 20251204 |
| WENTONG Potassium | China national standards | MT | 1032.05 | USD | 20251204 |
| Wuhan Hengjiu Chem | China national standards | MT | 989.64 | USD | 20251204 |
| Wuhan Hengjiu Chem | China national standards | MT | 777.57 | USD | 20251204 |
| Shandong Jinshenrun Chem | China national standards | MT | 1032.05 | USD | 20251204 |
| WENTONG Potassium | China national standards | MT | 1102.74 | USD | 20251204 |
| WENTONG Potassium | China national standards | MT | 1088.6 | USD | 20251204 |
| WENTONG Potassium | China national standards | MT | 1131.01 | USD | 20251204 |
| UniTrend China | China national standards | MT | 1046.19 | USD | 20251204 |