| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 932.35 | USD | 20251128 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1130.12 | USD | 20251128 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1087.89 | USD | 20251127 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1102.02 | USD | 20251127 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1130.28 | USD | 20251127 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1102.02 | USD | 20251127 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1059.64 | USD | 20251127 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1031.38 | USD | 20251127 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1031.13 | USD | 20251126 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1087.63 | USD | 20251126 |