| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1131.01 | USD | 20251204 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 933.09 | USD | 20251204 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1060.01 | USD | 20251203 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1130.68 | USD | 20251203 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 932.81 | USD | 20251203 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 932.81 | USD | 20251203 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1088.28 | USD | 20251203 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1060.01 | USD | 20251203 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1031.74 | USD | 20251203 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1102.41 | USD | 20251203 |