| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1058.2 | USD | 20251121 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1029.98 | USD | 20251121 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1128.75 | USD | 20251121 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 959.44 | USD | 20251121 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1086.42 | USD | 20251121 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1057.75 | USD | 20251120 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1085.96 | USD | 20251120 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1029.55 | USD | 20251120 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1128.27 | USD | 20251120 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1100.06 | USD | 20251120 |