| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1027.86 | USD | 20251014 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1098.27 | USD | 20251014 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1056.03 | USD | 20251014 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 985.62 | USD | 20251014 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1084.19 | USD | 20251014 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1126.43 | USD | 20251014 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1084.4 | USD | 20251013 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1028.07 | USD | 20251013 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1126.65 | USD | 20251013 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1056.23 | USD | 20251013 |