| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1064.07 | USD | 20251022 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 887.9 | USD | 20251022 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1099.3 | USD | 20251022 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1085.21 | USD | 20251022 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1092.26 | USD | 20251022 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1085.21 | USD | 20251022 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1014.74 | USD | 20251022 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1028.84 | USD | 20251022 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1071.12 | USD | 20251022 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1085.21 | USD | 20251022 |