| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium | China national standards | MT | 1054.76 | USD | 20250922 |
| Shandong Zhongke Taihua | China national standards | MT | 914.13 | USD | 20250922 |
| Jinan Jinrihe Chem | China national standards | MT | 913.85 | USD | 20250921 |
| Jinan Jinrihe Chem | China national standards | MT | 899.79 | USD | 20250921 |
| Jinan Jinrihe Chem | China national standards | MT | 899.79 | USD | 20250921 |
| Beijing WentongTech | China national standards | MT | 956.02 | USD | 20250921 |
| Jinan Jinrihe Chem | China national standards | MT | 941.96 | USD | 20250921 |
| Jinan Jinrihe Chem | China national standards | MT | 885.73 | USD | 20250921 |
| Pingxiang Lixin BioTech | China national standards | MT | 1096.61 | USD | 20250921 |
| WENTONG Potassium | China national standards | MT | 1096.61 | USD | 20250921 |