| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1030.14 | USD | 20251030 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1128.92 | USD | 20251030 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1086.59 | USD | 20251030 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1101.03 | USD | 20251029 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 988.1 | USD | 20251029 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1129.26 | USD | 20251029 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1030.45 | USD | 20251029 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1058.68 | USD | 20251029 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1086.91 | USD | 20251029 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1086.71 | USD | 20251028 |