| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1028.07 | USD | 20251013 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251012 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1083.77 | USD | 20251012 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251011 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1097.85 | USD | 20251011 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251011 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1055.62 | USD | 20251011 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1083.77 | USD | 20251011 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251010 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1097.85 | USD | 20251010 |