| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1085.29 | USD | 20251019 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1028.91 | USD | 20251018 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1127.57 | USD | 20251018 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1085.29 | USD | 20251018 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1057.1 | USD | 20251017 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1099.38 | USD | 20251017 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1085.29 | USD | 20251017 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1028.91 | USD | 20251017 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1127.57 | USD | 20251017 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1099.38 | USD | 20251017 |