| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1058.83 | USD | 20251112 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1101.18 | USD | 20251112 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1129.42 | USD | 20251112 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1030.59 | USD | 20251112 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1087.06 | USD | 20251112 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1100.67 | USD | 20251111 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1100.67 | USD | 20251111 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1128.89 | USD | 20251111 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1030.11 | USD | 20251111 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1058.34 | USD | 20251111 |