| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 900.69 | USD | 20250923 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 956.98 | USD | 20250923 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 942.9 | USD | 20250923 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 886.61 | USD | 20250923 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 872.54 | USD | 20250923 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 872.54 | USD | 20250923 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250923 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250923 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250923 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1238.44 | USD | 20250923 |