| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1044.0 | USD | 20251027 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1029.9 | USD | 20251027 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1015.79 | USD | 20251027 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 945.25 | USD | 20251027 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1086.33 | USD | 20251027 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 902.92 | USD | 20251027 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1086.33 | USD | 20251027 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1029.9 | USD | 20251027 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 874.71 | USD | 20251027 |
| China national standards | MT | 1079.27 | USD | 20251027 |