| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1097.74 | USD | 20251001 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1055.52 | USD | 20250930 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1097.74 | USD | 20250930 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1055.02 | USD | 20250929 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1125.35 | USD | 20250929 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1012.81 | USD | 20250929 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1097.22 | USD | 20250929 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250928 |