| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1058.95 | USD | 20251114 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1030.71 | USD | 20251114 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1087.19 | USD | 20251114 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1058.35 | USD | 20251113 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1128.91 | USD | 20251113 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1100.68 | USD | 20251113 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1030.13 | USD | 20251113 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1086.57 | USD | 20251113 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1101.18 | USD | 20251112 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1030.59 | USD | 20251112 |