| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250921 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1110.67 | USD | 20250921 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250921 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1068.5 | USD | 20250921 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1068.5 | USD | 20250921 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250921 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1054.44 | USD | 20250920 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 913.85 | USD | 20250920 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250920 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1068.5 | USD | 20250920 |