| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1130.52 | USD | 20251208 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1031.82 | USD | 20251207 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 932.88 | USD | 20251207 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251207 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251206 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1102.49 | USD | 20251206 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1102.49 | USD | 20251206 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1102.49 | USD | 20251205 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1102.49 | USD | 20251205 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251205 |