| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium | China national standards | MT | 985.62 | USD | 20251014 |
| Shandong Yuanhe Chem | China national standards | MT | 957.46 | USD | 20251014 |
| Shandong Zhongke Taihua | China national standards | MT | 1056.03 | USD | 20251014 |
| WENTONG Potassium | China national standards | MT | 1056.03 | USD | 20251014 |
| Shandong Zhongke Taihua | China national standards | MT | 915.22 | USD | 20251014 |
| Hunan Lixin Tech | China national standards | MT | 1070.11 | USD | 20251014 |
| WENTONG Potassium | China national standards | MT | 1126.43 | USD | 20251014 |
| Jinan Aochen Chem | China national standards | MT | 1126.43 | USD | 20251014 |
| Jinan Aochen Chem | China national standards | MT | 1126.43 | USD | 20251014 |
| Jinan Aochen Chem | China national standards | MT | 1126.43 | USD | 20251014 |