| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1101.45 | USD | 20251117 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1059.08 | USD | 20251117 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1129.69 | USD | 20251117 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1030.84 | USD | 20251117 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1087.32 | USD | 20251117 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1030.71 | USD | 20251116 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1087.19 | USD | 20251116 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1087.19 | USD | 20251115 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1030.71 | USD | 20251115 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1030.71 | USD | 20251114 |