| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1129.19 | USD | 20251124 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1030.39 | USD | 20251124 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1086.85 | USD | 20251124 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1029.98 | USD | 20251123 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1086.42 | USD | 20251123 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1029.98 | USD | 20251122 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1086.42 | USD | 20251122 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 959.44 | USD | 20251122 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 959.44 | USD | 20251121 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1058.2 | USD | 20251121 |