| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1054.76 | USD | 20250922 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250921 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1054.44 | USD | 20250920 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250920 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250920 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1054.44 | USD | 20250919 |