| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1064.07 | USD | 20251022 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 901.99 | USD | 20251022 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 958.37 | USD | 20251022 |
| Shandong Chengshuo Chemical Co., Ltd. | China national standards | MT | 1085.21 | USD | 20251022 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1085.21 | 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 | 1014.74 | USD | 20251022 |