| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1030.26 | USD | 20251028 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1058.48 | USD | 20251028 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251028 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1100.82 | USD | 20251028 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1086.71 | USD | 20251028 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1086.33 | USD | 20251027 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1044.0 | USD | 20251027 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1029.9 | USD | 20251027 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1085.61 | USD | 20251026 |