| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1057.38 | USD | 20251021 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1029.18 | USD | 20251021 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1099.68 | USD | 20251021 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1085.58 | USD | 20251021 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1099.01 | USD | 20251020 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1028.56 | USD | 20251020 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1056.74 | USD | 20251020 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1084.92 | USD | 20251020 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1127.19 | USD | 20251020 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1085.29 | USD | 20251019 |