| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1128.8 | USD | 20251119 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1100.58 | USD | 20251119 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1058.25 | USD | 20251119 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1086.47 | USD | 20251119 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1030.03 | USD | 20251119 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1086.71 | USD | 20251118 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1058.48 | USD | 20251118 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1100.82 | USD | 20251118 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251118 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1030.26 | USD | 20251118 |